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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 1 |
| 1953 | 4 |
| 1954 | 1 |
| 1955 | 4 |
| 1956 | 3 |
| 1957 | 3 |
| 1958 | 3 |
| 1959 | 7 |
| 1960 | 9 |
| 1961 | 9 |
| 1962 | 6 |
| 1964 | 2 |
| 1965 | 17 |
| 1966 | 39 |
| 1967 | 50 |
| 1968 | 44 |
| 1969 | 54 |
| 1970 | 44 |
| 1971 | 47 |
| 1972 | 48 |
| 1973 | 43 |
| 1974 | 47 |
| 1975 | 38 |
| 1976 | 45 |
| 1977 | 39 |
| 1978 | 50 |
| 1979 | 54 |
| 1980 | 53 |
| 1981 | 40 |
| 1982 | 54 |
| 1983 | 68 |
| 1984 | 62 |
| 1985 | 53 |
| 1986 | 71 |
| 1987 | 81 |
| 1988 | 71 |
| 1989 | 76 |
| 1990 | 92 |
| 1991 | 65 |
| 1992 | 73 |
| 1993 | 98 |
| 1994 | 85 |
| 1995 | 110 |
| 1996 | 120 |
| 1997 | 110 |
| 1998 | 137 |
| 1999 | 129 |
| 2000 | 142 |
| 2001 | 142 |
| 2002 | 125 |
| 2003 | 164 |
| 2004 | 182 |
| 2005 | 178 |
| 2006 | 195 |
| 2007 | 202 |
| 2008 | 247 |
| 2009 | 260 |
| 2010 | 311 |
| 2011 | 355 |
| 2012 | 336 |
| 2013 | 381 |
| 2014 | 429 |
| 2015 | 456 |
| 2016 | 611 |
| 2017 | 684 |
| 2018 | 806 |
| 2019 | 708 |
| 2020 | 829 |
| 2021 | 964 |
| 2022 | 1031 |
| 2023 | 954 |
| 2024 | 541 |