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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 2 |
| 1960 | 3 |
| 1961 | 4 |
| 1962 | 2 |
| 1964 | 1 |
| 1965 | 1 |
| 1966 | 15 |
| 1967 | 25 |
| 1968 | 35 |
| 1969 | 41 |
| 1970 | 46 |
| 1971 | 43 |
| 1972 | 60 |
| 1973 | 67 |
| 1974 | 74 |
| 1975 | 65 |
| 1976 | 80 |
| 1977 | 106 |
| 1978 | 111 |
| 1979 | 135 |
| 1980 | 103 |
| 1981 | 108 |
| 1982 | 131 |
| 1983 | 119 |
| 1984 | 151 |
| 1985 | 139 |
| 1986 | 113 |
| 1987 | 135 |
| 1988 | 128 |
| 1989 | 110 |
| 1990 | 147 |
| 1991 | 193 |
| 1992 | 204 |
| 1993 | 170 |
| 1994 | 160 |
| 1995 | 153 |
| 1996 | 139 |
| 1997 | 159 |
| 1998 | 134 |
| 1999 | 152 |
| 2000 | 155 |
| 2001 | 164 |
| 2002 | 178 |
| 2003 | 189 |
| 2004 | 178 |
| 2005 | 168 |
| 2006 | 151 |
| 2007 | 217 |
| 2008 | 212 |
| 2009 | 247 |
| 2010 | 301 |
| 2011 | 310 |
| 2012 | 299 |
| 2013 | 307 |
| 2014 | 306 |
| 2015 | 347 |
| 2016 | 755 |
| 2017 | 914 |
| 2018 | 851 |
| 2019 | 793 |
| 2020 | 975 |
| 2021 | 926 |
| 2022 | 755 |
| 2023 | 699 |
| 2024 | 761 |
| 2025 | 368 |