Overall Years = Code Letter[1 to Q]
If you know the serial code on a blade (1..4 or A..Z, followed by three digits) you can bring up the information on that blade by clicking on the appropriate year and then on the thumbnail for that blade. You can also just browse and see what I have created over the years.
Click on the year to display those blades

1997 - code[1] in which 6 blades were recorded.
1998 - code[2] in which 10 blades were recorded.
1999 - code[3] in which 1 blades were recorded.
2000 - code[4] in which 1 blades were recorded.
2001 - code[A] in which 54 blades were recorded.
2002 - code[B] in which 1 blades were recorded.
2003 - code[C] in which 33 blades were recorded.
2004 - code[D] in which 23 blades were recorded.
2005 - code[E] in which 42 blades were recorded.
2006 - code[F] in which 28 blades were recorded.
2007 - code[G] in which 19 blades were recorded.
2008 - code[H] in which 49 blades were recorded.
2009 - code[I] in which 37 blades were recorded.
2010 - code[J] in which 12 blades were recorded.
2011 - code[K] in which 56 blades were recorded.
2012 - code[L] in which 20 blades were recorded.
2013 - code[M] in which 25 blades were recorded.
2014 - code[N] in which 46 blades were recorded.
2015 - code[O] in which 27 blades were recorded.
2016 - code[P] in which 49 blades were recorded.
2017 - code[Q] in which 16 blades were recorded.