Year	Number of Firms
1992-01-01	15
1997-01-01	33
2002-01-01	64
2003-01-01	70
2004-01-01	80
2005-01-01	96
2006-01-01	114
2007-01-01	121
2008-01-01	154
2009-01-01	127
2010-01-01	134
2011-01-01	140
2012-01-01	133
2013-01-01	144
2014-01-01	154
2015-01-01	177
2016-01-01	169