Year	Number of Firms
1992-01-01	44
1997-01-01	76
2002-01-01	88
2003-01-01	97
2004-01-01	98
2005-01-01	99
2006-01-01	118
2007-01-01	114
2008-01-01	156
2009-01-01	137
2010-01-01	153
2011-01-01	157
2012-01-01	144
2013-01-01	148
2014-01-01	172
2015-01-01	160
2016-01-01	177