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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1948 | 2 |
| 1950 | 1 |
| 1951 | 4 |
| 1952 | 11 |
| 1953 | 5 |
| 1954 | 13 |
| 1955 | 13 |
| 1956 | 5 |
| 1957 | 5 |
| 1958 | 9 |
| 1959 | 2 |
| 1960 | 2 |
| 1961 | 6 |
| 1962 | 4 |
| 1963 | 4 |
| 1964 | 5 |
| 1965 | 4 |
| 1966 | 4 |
| 1967 | 2 |
| 1968 | 8 |
| 1969 | 11 |
| 1970 | 28 |
| 1971 | 38 |
| 1972 | 53 |
| 1973 | 78 |
| 1974 | 57 |
| 1975 | 128 |
| 1976 | 106 |
| 1977 | 134 |
| 1978 | 139 |
| 1979 | 148 |
| 1980 | 140 |
| 1981 | 131 |
| 1982 | 155 |
| 1983 | 159 |
| 1984 | 126 |
| 1985 | 135 |
| 1986 | 179 |
| 1987 | 169 |
| 1988 | 180 |
| 1989 | 213 |
| 1990 | 235 |
| 1991 | 222 |
| 1992 | 243 |
| 1993 | 278 |
| 1994 | 283 |
| 1995 | 346 |
| 1996 | 366 |
| 1997 | 499 |
| 1998 | 802 |
| 1999 | 794 |
| 2000 | 909 |
| 2001 | 830 |
| 2002 | 952 |
| 2003 | 1133 |
| 2004 | 1198 |
| 2005 | 1302 |
| 2006 | 1347 |
| 2007 | 1429 |
| 2008 | 1719 |
| 2009 | 1904 |
| 2010 | 1888 |
| 2011 | 2155 |
| 2012 | 2211 |
| 2013 | 2326 |
| 2014 | 2431 |
| 2015 | 2558 |
| 2016 | 2794 |
| 2017 | 2826 |
| 2018 | 2779 |
| 2019 | 3046 |
| 2020 | 3539 |
| 2021 | 3482 |
| 2022 | 3435 |
| 2023 | 3336 |
| 2024 | 3333 |
| 2025 | 3166 |
| 2026 | 1778 |