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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1972 | 3 |
| 1973 | 14 |
| 1974 | 19 |
| 1975 | 16 |
| 1976 | 20 |
| 1977 | 32 |
| 1978 | 44 |
| 1979 | 80 |
| 1980 | 83 |
| 1981 | 111 |
| 1982 | 148 |
| 1983 | 124 |
| 1984 | 244 |
| 1985 | 235 |
| 1986 | 251 |
| 1987 | 413 |
| 1988 | 405 |
| 1989 | 516 |
| 1990 | 563 |
| 1991 | 602 |
| 1992 | 738 |
| 1993 | 655 |
| 1994 | 699 |
| 1995 | 918 |
| 1996 | 1122 |
| 1997 | 1159 |
| 1998 | 1133 |
| 1999 | 1245 |
| 2000 | 1338 |
| 2001 | 1385 |
| 2002 | 1362 |
| 2003 | 1533 |
| 2004 | 1441 |
| 2005 | 1375 |
| 2006 | 1370 |
| 2007 | 1293 |
| 2008 | 1293 |
| 2009 | 1135 |
| 2010 | 1091 |
| 2011 | 981 |
| 2012 | 961 |
| 2013 | 957 |
| 2014 | 877 |
| 2015 | 901 |
| 2016 | 916 |
| 2017 | 841 |
| 2018 | 768 |
| 2019 | 756 |
| 2020 | 1382 |
| 2021 | 1206 |
| 2022 | 930 |
| 2023 | 879 |
| 2024 | 607 |
| 2025 | 8 |