Year	Number of Firms
1992-01-01	14
1997-01-01	25
2002-01-01	57
2003-01-01	55
2004-01-01	59
2005-01-01	52
2006-01-01	66
2007-01-01	72
2008-01-01	85
2009-01-01	120
2010-01-01	154
2011-01-01	134
2012-01-01	143
2013-01-01	150
2014-01-01	166
2015-01-01	148
2016-01-01	178