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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 2 |
| 1955 | 1 |
| 1956 | 1 |
| 1959 | 8 |
| 1960 | 13 |
| 1961 | 15 |
| 1962 | 10 |
| 1963 | 1 |
| 1964 | 7 |
| 1965 | 13 |
| 1966 | 31 |
| 1967 | 67 |
| 1968 | 90 |
| 1969 | 93 |
| 1970 | 80 |
| 1971 | 106 |
| 1972 | 64 |
| 1973 | 104 |
| 1974 | 114 |
| 1975 | 96 |
| 1976 | 119 |
| 1977 | 107 |
| 1978 | 58 |
| 1979 | 81 |
| 1980 | 53 |
| 1981 | 72 |
| 1982 | 67 |
| 1983 | 67 |
| 1984 | 65 |
| 1985 | 61 |
| 1986 | 55 |
| 1987 | 50 |
| 1988 | 86 |
| 1989 | 109 |
| 1990 | 138 |
| 1991 | 146 |
| 1992 | 166 |
| 1993 | 185 |
| 1994 | 260 |
| 1995 | 295 |
| 1996 | 279 |
| 1997 | 327 |
| 1998 | 331 |
| 1999 | 351 |
| 2000 | 586 |
| 2001 | 625 |
| 2002 | 871 |
| 2003 | 931 |
| 2004 | 938 |
| 2005 | 1065 |
| 2006 | 1229 |
| 2007 | 1291 |
| 2008 | 1331 |
| 2009 | 1449 |
| 2010 | 1620 |
| 2011 | 2079 |
| 2012 | 2350 |
| 2013 | 2410 |
| 2014 | 2357 |
| 2015 | 2360 |
| 2016 | 2331 |
| 2017 | 2270 |
| 2018 | 2461 |
| 2019 | 2765 |
| 2020 | 2581 |
| 2021 | 2171 |
| 2022 | 1889 |
| 2023 | 1754 |
| 2024 | 1086 |