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The intractable cigarette ‘filter problem’

 

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Apr 2011443961
May 20113710755
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Jul 2011356826
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Oct 2011327030
Nov 2011549126
Dec 2011366521
Jan 201255719
Feb 20121026216
Mar 20121368023
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Aug 201371186
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Aug 2014769120
Sep 20147612622
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Jun 2016566612
Jul 2016896619
Aug 201617214019
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Jan 2017905450
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Mar 2017117115
Apr 201759413
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Jun 20176713020
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Aug 20171681669
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Feb 201978077244
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Jan 202077577481
Feb 202060059764
Mar 202055855769
Apr 202044244077
May 202049949941
Jun 202043142541
Jul 202033333160
Aug 202035535244
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Oct 202035034945
Nov 202028027850
Dec 202017517128
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Dec 202136236645
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Jun 202424522163
Jul 202421819629
Aug 202427625833
Sep 202426724427
Oct 202431329159
Total1343991329386383