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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 2 |
| 1948 | 3 |
| 1949 | 1 |
| 1951 | 14 |
| 1952 | 70 |
| 1953 | 136 |
| 1954 | 132 |
| 1955 | 142 |
| 1956 | 109 |
| 1957 | 85 |
| 1958 | 72 |
| 1959 | 60 |
| 1960 | 65 |
| 1961 | 55 |
| 1962 | 45 |
| 1963 | 1 |
| 1964 | 4 |
| 1965 | 2 |
| 1966 | 9 |
| 1967 | 16 |
| 1968 | 40 |
| 1969 | 45 |
| 1970 | 58 |
| 1971 | 41 |
| 1972 | 60 |
| 1973 | 48 |
| 1974 | 65 |
| 1975 | 95 |
| 1976 | 84 |
| 1977 | 103 |
| 1978 | 91 |
| 1979 | 94 |
| 1980 | 117 |
| 1981 | 129 |
| 1982 | 135 |
| 1983 | 134 |
| 1984 | 146 |
| 1985 | 148 |
| 1986 | 136 |
| 1987 | 147 |
| 1988 | 156 |
| 1989 | 160 |
| 1990 | 217 |
| 1991 | 348 |
| 1992 | 381 |
| 1993 | 402 |
| 1994 | 426 |
| 1995 | 410 |
| 1996 | 452 |
| 1997 | 490 |
| 1998 | 489 |
| 1999 | 624 |
| 2000 | 959 |
| 2001 | 1119 |
| 2002 | 1225 |
| 2003 | 1413 |
| 2004 | 1577 |
| 2005 | 1887 |
| 2006 | 2063 |
| 2007 | 2348 |
| 2008 | 2486 |
| 2009 | 2647 |
| 2010 | 2993 |
| 2011 | 3211 |
| 2012 | 3442 |
| 2013 | 3653 |
| 2014 | 3812 |
| 2015 | 3854 |
| 2016 | 3655 |
| 2017 | 3664 |
| 2018 | 3740 |
| 2019 | 3874 |
| 2020 | 3392 |
| 2021 | 2805 |
| 2022 | 1610 |
| 2023 | 962 |
| 2024 | 372 |