Year	% of commercial service exports
1998	33.75147001176009
1999	34.73873873873874
2000	34.19833178869324
2001	39.19014084507042
2002	36.11734980348119
2003	44.31245965138799
2004	42.69459601483537
2005	35.72368034462066
2006	47.606224338805056
2007	53.1600018443977
2008	59.45691265993728
2009	43.900258869408155
2010	45.518935312678494
2011	40.59470502871396