Year	Number of Firms
1992-01-01	10
1997-01-01	45
2002-01-01	89
2003-01-01	92
2004-01-01	117
2005-01-01	132
2006-01-01	158
2007-01-01	170
2008-01-01	226
2009-01-01	174
2010-01-01	162
2011-01-01	172
2012-01-01	198
2013-01-01	187
2014-01-01	148
2015-01-01	142
2016-01-01	153