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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1948 | 1 |
| 1949 | 1 |
| 1952 | 1 |
| 1953 | 2 |
| 1956 | 5 |
| 1957 | 1 |
| 1958 | 1 |
| 1960 | 4 |
| 1961 | 4 |
| 1965 | 3 |
| 1966 | 16 |
| 1967 | 22 |
| 1968 | 30 |
| 1969 | 24 |
| 1970 | 36 |
| 1971 | 46 |
| 1972 | 38 |
| 1973 | 40 |
| 1974 | 43 |
| 1975 | 32 |
| 1976 | 37 |
| 1977 | 45 |
| 1978 | 40 |
| 1979 | 47 |
| 1980 | 37 |
| 1981 | 56 |
| 1982 | 73 |
| 1983 | 60 |
| 1984 | 68 |
| 1985 | 71 |
| 1986 | 60 |
| 1987 | 43 |
| 1988 | 60 |
| 1989 | 91 |
| 1990 | 83 |
| 1991 | 90 |
| 1992 | 89 |
| 1993 | 97 |
| 1994 | 92 |
| 1995 | 91 |
| 1996 | 101 |
| 1997 | 103 |
| 1998 | 125 |
| 1999 | 130 |
| 2000 | 119 |
| 2001 | 96 |
| 2002 | 104 |
| 2003 | 121 |
| 2004 | 128 |
| 2005 | 154 |
| 2006 | 182 |
| 2007 | 177 |
| 2008 | 192 |
| 2009 | 183 |
| 2010 | 189 |
| 2011 | 235 |
| 2012 | 272 |
| 2013 | 269 |
| 2014 | 267 |
| 2015 | 232 |
| 2016 | 284 |
| 2017 | 308 |
| 2018 | 293 |
| 2019 | 313 |
| 2020 | 322 |
| 2021 | 244 |
| 2022 | 196 |
| 2023 | 193 |
| 2024 | 217 |
| 2025 | 95 |