Year	Number of Firms
1992-01-01	2
1997-01-01	34
2002-01-01	61
2003-01-01	60
2004-01-01	76
2005-01-01	86
2006-01-01	84
2007-01-01	130
2008-01-01	127
2009-01-01	154
2010-01-01	175
2011-01-01	187
2012-01-01	164
2013-01-01	188
2014-01-01	186
2015-01-01	211
2016-01-01	212