Year	Number of Firms
1992-01-01	160
1997-01-01	158
2002-01-01	168
2003-01-01	179
2004-01-01	195
2005-01-01	206
2006-01-01	188
2007-01-01	227
2008-01-01	213
2009-01-01	198
2010-01-01	214
2011-01-01	206
2012-01-01	196
2013-01-01	177
2014-01-01	203
2015-01-01	190
2016-01-01	200