Dear Statalist William Lisowski

I would like to generate the year 2009, 2010, 2012, 2013, 2015, 2016 for this, I am doing it for the merging of data, Kindly assist.

Code:
* Example generated by -dataex-. To install: ssc install dataex
clear
input str3 code int year double(var1 var2 var3)
"AFG" 2011 9.00501251220703 2.61623001098633 14.9905443191528
"AFG" 2014 9.96100044250488 3.81242561340332 14.8926019668579
"AFG" 2017 14.8933124542236 7.16068458557129 25.0383052825928
"AGO" 2011  39.203540802002 38.9283447265625 45.8097763061523
"AGO" 2014 29.3181209564209 22.3316459655762 35.8845634460449
"AGO" 2017                .                .                .
"ALB" 2011 28.2681255340576 22.6726112365723  36.057445526123
"ALB" 2014 37.9863548278809 33.5942344665527 44.0845413208008
"ALB" 2017 40.0151710510254 38.1029586791992 53.1442756652832
"ARE" 2011 59.7323722839355 47.2084350585938 80.2286987304688
"ARE" 2014 83.7433242797852 67.6806182861328 90.7777404785156
"ARE" 2017 88.2103881835938 76.4167175292969 92.5162963867188
"ARG" 2011 33.1302185058594 31.8185634613037 36.8016738891602
"ARG" 2014 50.1972961425781 50.8523597717285  50.398509979248
"ARG" 2017 48.7084884643555  50.757251739502 48.5591316223145
"ARM" 2011  17.486873626709 18.1485614776611 23.9185218811035
"ARM" 2014 17.6690654754639 14.7447500228882  27.900484085083
"ARM" 2017 47.7590179443359  40.906436920166 61.2832489013672
"AUS" 2011 99.0648422241211   98.59228515625 99.6953964233398
"AUS" 2014 98.8595657348633 99.0362319946289 98.5769958496094
"AUS" 2017 99.5193710327148 99.1950912475586              100
"AUT" 2011 97.0817413330078 96.5633087158203 97.7551040649414
"AUT" 2014 96.7340621948242 97.3726654052734 98.0922393798828
"AUT" 2017 98.1636657714844 98.3757705688477  98.913948059082
"AZE" 2011 14.9008493423462 14.2592506408691 16.8440093994141
"AZE" 2014 29.1514930725098 25.8969879150391 36.5947418212891
"AZE" 2017 28.5712032318115 27.7196254730225  31.873067855835
"BDI" 2011 7.23798418045044 5.92800283432007 9.27583312988281
"BDI" 2014 7.10575866699219  6.7262282371521 9.96574878692627
"BDI" 2017                .                .                .
"BEL" 2011 96.3061294555664    97.1845703125 97.2677612304688
"BEL" 2014 98.1257553100586 99.5061950683594 98.5541915893555
"BEL" 2017 98.6383209228516 98.8175506591797 99.8950729370117
"BEN" 2011 10.4639377593994 9.80735397338867 11.8805952072144
"BEN" 2014 16.6208343505859 13.5968770980835 19.4836444854736
"BEN" 2017 38.4892234802246 28.5858879089355 43.3916206359863
"BFA" 2011 13.3530912399292 10.8137102127075 15.0582818984985
"BFA" 2014 14.3575963973999 12.6490087509155 20.4879283905029
"BFA" 2017 43.1599922180176 34.4989356994629 49.7889595031738
"BGD" 2011 31.7436485290527 26.0116958618164 39.3499717712402
"BGD" 2014 30.9908180236816 26.4532871246338 39.1617889404297
"BGD" 2017 50.0469131469727 35.8363456726074 62.9407272338867
"BGR" 2011 52.8249015808105 55.4513168334961 65.8062286376953
"BGR" 2014 62.9868278503418 63.1597099304199 77.9123001098633
"BGR" 2017 72.2040328979492 73.6368560791016 88.1626739501953
"BHR" 2011 64.5145721435547 48.7776718139648 91.4785232543945
"BHR" 2014 81.9393463134766 66.7409744262695 89.5876235961914
"BHR" 2017 82.6128463745117   75.40673828125 86.1378860473633
"BIH" 2011 56.2116088867188  47.721363067627 71.2382125854492
"BIH" 2014 52.6850280761719 47.0578155517578 69.0808944702148
"BIH" 2017 58.8434982299805 54.7417984008789 77.6030197143555
"BLR" 2011 58.6019821166992 58.0722351074219 69.4655990600586
"BLR" 2014 71.9849853515625  71.960090637207 81.1375885009766
"BLR" 2017 81.1558837890625 81.3381729125977 93.6844100952148
"BLZ" 2011                .                .                .
"BLZ" 2014 48.2092514038086 52.2849388122559 51.2079467773438
"BLZ" 2017                .                .                .
"BOL" 2011 28.0291328430176 25.1057682037354 34.9522705078125
"BOL" 2014 41.7967185974121 38.0391006469727 47.3007316589355
"BOL" 2017 54.4050559997559 53.8528327941895 59.1172828674316
"BRA" 2011 55.8603820800781 51.0178451538086 62.4300117492676
"BRA" 2014 68.1231536865234 64.7733154296875 71.6155776977539
"BRA" 2017    70.0439453125    67.5146484375 74.0847320556641
"BTN" 2011                .                .                .
"BTN" 2014 33.6659126281738 27.6818790435791 48.0985984802246
"BTN" 2017                .                .                .
"BWA" 2011 30.2600135803223 28.3603343963623 40.6803245544434
"BWA" 2014 51.9645690917969 48.7371215820313 58.8054313659668
"BWA" 2017 51.0324554443359  46.788516998291 63.0660247802734
"CAF" 2011 3.30080914497375 3.41175198554993 3.20733189582825
"CAF" 2014                .                .                .
"CAF" 2017  13.745945930481 9.71761703491211 15.0411863327026
"CAN" 2011 95.8046417236328 97.2331619262695    96.3955078125
"CAN" 2014 99.1033248901367 99.1964797973633 98.8041076660156
"CAN" 2017 99.7268829345703 99.8527984619141 99.8105087280273
"CHE" 2011                .                .                .
"CHE" 2014 97.9856414794922 96.6947860717773 98.5981826782227
"CHE" 2017 98.4296646118164 98.8566513061523 99.0453948974609
"CHL" 2011 42.1792869567871 40.9744338989258 52.7084350585938
"CHL" 2014 63.2588806152344 59.1644515991211 74.9946060180664
"CHL" 2017 74.3492431640625 71.2737884521484    83.8525390625
"CHN" 2011  63.817310333252  60.008674621582 66.4386749267578
"CHN" 2014 78.8526000976563 76.2497329711914 82.3885955810547
"CHN" 2017  80.229118347168 76.3647308349609 84.2923965454102
"CIV" 2011                .                .                .
"CIV" 2014  34.322021484375 29.1605834960938 37.1718940734863
"CIV" 2017 41.3309555053711 35.5649795532227 48.7433319091797
"CMR" 2011 14.8096132278442  10.881443977356 19.0239963531494
"CMR" 2014     12.177734375 10.1781988143921 17.0171127319336
"CMR" 2017 34.5907897949219 30.0303688049316 39.2503471374512
"COD" 2011 3.69672632217407 2.75188183784485 4.99719667434692
"COD" 2014 17.4769840240479 14.3227834701538 19.2594738006592
"COD" 2017 25.8256759643555  24.218822479248  30.119701385498
"COG" 2011  10.048056602478 7.55865859985352 14.7663545608521
"COG" 2014 17.0695972442627 14.9626817703247  18.449914932251
"COG" 2017 26.0927505493164 20.9935626983643 29.3629608154297
"COL" 2011 30.4278011322021 25.3545608520508 38.1436462402344
"COL" 2014 38.9990196228027 33.9536590576172 47.3028106689453
"COL" 2017 45.7592277526855 42.4744300842285 51.3290481567383
"COM" 2011  21.694673538208 17.8929576873779 36.2194862365723
end