Year	Number of Firms
1997-01-01	63
2002-01-01	96
2003-01-01	103
2004-01-01	109
2005-01-01	120
2006-01-01	129
2007-01-01	149
2008-01-01	177
2009-01-01	146
2010-01-01	181
2011-01-01	188
2012-01-01	178
2013-01-01	183
2014-01-01	208
2015-01-01	207
2016-01-01	176