11,012
X
5,000
10,000
15,000
20,000
25,000
16,611
2007
6,176
16,561
2008
6,961
15,459
2009
7,286
16,233
2010
7,842
18,293
2011
8,713
18,603
2012
8,964
18,875
2013
9,231
18,169
2014
9,272
16,488
2015
8,925
15,295
2016
9,327
12,719
2017
10,101
10,013
2018
11,012