TASSO NOMINALE DEI B.O.T. A 12 MESI SECONDO L’ANNO DI EMISSIONE
| Anno | Valore Max dell’anno % | Valore Min dell’anno % |
| 1980 | 16,550 | 13,640 |
| 1981 | 19,980 | 16,550 |
| 1982 | 19,980 | 18,550 |
| 1983 | 18,620 | 17,510 |
| 1984 | 17,250 | 14,680 |
| 1985 | 14,050 | 13,140 |
| 1986 | 13,350 | 10,010 |
| 1987 | 12,170 | 9,620 |
| 1988 | 11,920 | 10,500 |
| 1989 | 13,440 | 11,360 |
| 1990 | 13,160 | 11,700 |
| 1991 | 13,270 | 11,670 |
| 1992 | 17,790 | 11,950 |
| 1993 | 13,030 | 8,520 |
| 1994 | 10,770 | 8,010 |
| 1995 | 12,170 | 10,130 |
| 1996 | 9,770 | 6,550 |
| 1997 | 7,410 | 4,930 |
| 1998 | 5,300 | 3,160 |
| 1999 | 3,690 | 2,670 |
| 2000 | 5,210 | 3,890 |
| 2001 | 4,490 | 2,980 |
| 2002 | 3,840 | 2,760 |
| 2003 | 2,420 | 1,860 |
| 2004 | 2,310 | 1,980 |
| 2005 | 2,640 | 2,000 |
| 2006 | 3,730 | 2,720 |
| 2007 | 4,380 | 3,880 |
| 2008 | 4,580 | 2,630 |
| 2009 | 1,840 | 0,740 |
| 2010 | 2,010 | 0,800 |
| 2011 | 6,080 | 1,860 |
| 2012 | 3,970 | 1,410 |
| 2013 | 1,340 | 0,690 |
| 2014 | 0,740 | 0,270 |