for Millie
WT report:
2011 19,374,737 (worldwide) 2,563,518 (U.S.)
2012 19,013,243 - 2,502,055
2013 19,241,152 - 2,504,114
2014 19,950,019 - 2,505,825
So, 2012 showed a big drop on WW and US. 2013 showed slight increase from 2012 but still not as high as 2011. 2014 had a big increase for WW, but not much in U.S.