Year	Number of Firms
1992-01-01	35
1997-01-01	61
2002-01-01	89
2003-01-01	83
2004-01-01	103
2005-01-01	128
2006-01-01	117
2007-01-01	130
2008-01-01	151
2009-01-01	147
2010-01-01	160
2011-01-01	172
2012-01-01	153
2013-01-01	176
2014-01-01	188
2015-01-01	194
2016-01-01	176
