Year	Number of Firms
1992-01-01	35
1997-01-01	19
2002-01-01	38
2003-01-01	56
2004-01-01	67
2005-01-01	51
2006-01-01	64
2007-01-01	92
2008-01-01	129
2009-01-01	162
2010-01-01	179
2011-01-01	178
2012-01-01	217
2013-01-01	272
2014-01-01	304
2015-01-01	202
2016-01-01	148