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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1964 | 2 |
| 1965 | 21 |
| 1966 | 47 |
| 1967 | 45 |
| 1968 | 64 |
| 1969 | 50 |
| 1970 | 62 |
| 1971 | 58 |
| 1972 | 43 |
| 1973 | 45 |
| 1974 | 45 |
| 1975 | 69 |
| 1976 | 72 |
| 1977 | 67 |
| 1978 | 66 |
| 1979 | 64 |
| 1980 | 67 |
| 1981 | 46 |
| 1982 | 65 |
| 1983 | 66 |
| 1984 | 76 |
| 1985 | 70 |
| 1986 | 79 |
| 1987 | 86 |
| 1988 | 88 |
| 1989 | 109 |
| 1990 | 97 |
| 1991 | 105 |
| 1992 | 112 |
| 1993 | 106 |
| 1994 | 143 |
| 1995 | 161 |
| 1996 | 168 |
| 1997 | 167 |
| 1998 | 187 |
| 1999 | 183 |
| 2000 | 192 |
| 2001 | 187 |
| 2002 | 185 |
| 2003 | 187 |
| 2004 | 228 |
| 2005 | 272 |
| 2006 | 270 |
| 2007 | 258 |
| 2008 | 246 |
| 2009 | 262 |
| 2010 | 272 |
| 2011 | 284 |
| 2012 | 387 |
| 2013 | 391 |
| 2014 | 463 |
| 2015 | 492 |
| 2016 | 452 |
| 2017 | 448 |
| 2018 | 426 |
| 2019 | 496 |
| 2020 | 540 |
| 2021 | 605 |
| 2022 | 657 |
| 2023 | 652 |
| 2024 | 182 |