Year	% gross
1999	90.4064636230469
2000	92.8354568481445
2001	94.304557800293
2002	97.3856201171875
2003	97.3653411865234
2004	99.5956115722656
2005	100.028541564941
2006	104.442558288574
2007	106.842109680176
2008	95.2855606079102
2009	96.8741836547852
2010	94.4918518066406
2011	94.9740905761719
2012	113.892639160156