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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1954 | 4 |
| 1955 | 2 |
| 1956 | 5 |
| 1957 | 8 |
| 1958 | 6 |
| 1959 | 2 |
| 1960 | 7 |
| 1961 | 9 |
| 1962 | 4 |
| 1964 | 2 |
| 1965 | 13 |
| 1966 | 28 |
| 1967 | 26 |
| 1968 | 35 |
| 1969 | 60 |
| 1970 | 46 |
| 1971 | 47 |
| 1972 | 52 |
| 1973 | 45 |
| 1974 | 57 |
| 1975 | 41 |
| 1976 | 42 |
| 1977 | 59 |
| 1978 | 46 |
| 1979 | 48 |
| 1980 | 65 |
| 1981 | 86 |
| 1982 | 58 |
| 1983 | 83 |
| 1984 | 83 |
| 1985 | 86 |
| 1986 | 87 |
| 1987 | 66 |
| 1988 | 62 |
| 1989 | 91 |
| 1990 | 98 |
| 1991 | 109 |
| 1992 | 107 |
| 1993 | 86 |
| 1994 | 92 |
| 1995 | 93 |
| 1996 | 99 |
| 1997 | 99 |
| 1998 | 126 |
| 1999 | 117 |
| 2000 | 135 |
| 2001 | 112 |
| 2002 | 137 |
| 2003 | 154 |
| 2004 | 140 |
| 2005 | 163 |
| 2006 | 209 |
| 2007 | 206 |
| 2008 | 204 |
| 2009 | 249 |
| 2010 | 230 |
| 2011 | 270 |
| 2012 | 287 |
| 2013 | 295 |
| 2014 | 288 |
| 2015 | 336 |
| 2016 | 324 |
| 2017 | 346 |
| 2018 | 353 |
| 2019 | 329 |
| 2020 | 361 |
| 2021 | 405 |
| 2022 | 388 |
| 2023 | 332 |
| 2024 | 328 |
| 2025 | 2 |