PH krav - kilogramů bílkovin
| Rok | Počet | PH | SD |
| 1994 | 42359 | -54.03 | 11.01 |
| 1995 | 45481 | -52.53 | 10.76 |
| 1996 | 48152 | -51.13 | 11.13 |
| 1997 | 51495 | -48.54 | 11.24 |
| 1998 | 53572 | -45.76 | 11.56 |
| 1999 | 56687 | -42.86 | 11.73 |
| 2000 | 60027 | -40.56 | 11.66 |
| 2001 | 61158 | -37.74 | 12.13 |
| 2002 | 62522 | -34.84 | 12.35 |
| 2003 | 64188 | -32.77 | 12.64 |
| 2004 | 63138 | -31.25 | 12.75 |
| 2005 | 62108 | -29.63 | 12.50 |
| 2006 | 62019 | -27.44 | 12.59 |
| 2007 | 59800 | -24.43 | 12.53 |
| 2008 | 59089 | -22.71 | 12.78 |
| 2009 | 61228 | -20.67 | 12.65 |
| 2010 | 59031 | -18.55 | 12.60 |
| 2011 | 60382 | -16.63 | 12.67 |
| 2012 | 61976 | -14.26 | 12.48 |
| 2013 | 62098 | -12.45 | 12.33 |
| 2014 | 64414 | -10.34 | 12.36 |
| 2015 | 64018 | -7.49 | 12.49 |
| 2016 | 65606 | -5.26 | 12.41 |
| 2017 | 66072 | -2.18 | 12.77 |
| 2018 | 67296 | .95 | 12.93 |
| 2019 | 67942 | 5.20 | 12.59 |
| 2020 | 69229 | 9.51 | 12.55 |
| 2021 | 70657 | 13.65 | 12.63 |
| 2022 | 65960 | 17.41 | 12.15 |
| 2023 | 5932 | 20.53 | 10.54 |