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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1951 | 9 |
| 1952 | 6 |
| 1953 | 12 |
| 1954 | 20 |
| 1955 | 27 |
| 1956 | 21 |
| 1957 | 13 |
| 1958 | 16 |
| 1959 | 22 |
| 1960 | 24 |
| 1961 | 30 |
| 1962 | 23 |
| 1964 | 1 |
| 1965 | 54 |
| 1966 | 79 |
| 1967 | 102 |
| 1968 | 125 |
| 1969 | 121 |
| 1970 | 111 |
| 1971 | 130 |
| 1972 | 137 |
| 1973 | 179 |
| 1974 | 176 |
| 1975 | 105 |
| 1976 | 137 |
| 1977 | 84 |
| 1978 | 95 |
| 1979 | 97 |
| 1980 | 76 |
| 1981 | 65 |
| 1982 | 81 |
| 1983 | 96 |
| 1984 | 100 |
| 1985 | 84 |
| 1986 | 93 |
| 1987 | 97 |
| 1988 | 88 |
| 1989 | 100 |
| 1990 | 125 |
| 1991 | 118 |
| 1992 | 100 |
| 1993 | 140 |
| 1994 | 124 |
| 1995 | 155 |
| 1996 | 144 |
| 1997 | 164 |
| 1998 | 144 |
| 1999 | 149 |
| 2000 | 202 |
| 2001 | 152 |
| 2002 | 232 |
| 2003 | 219 |
| 2004 | 239 |
| 2005 | 220 |
| 2006 | 215 |
| 2007 | 230 |
| 2008 | 250 |
| 2009 | 247 |
| 2010 | 247 |
| 2011 | 278 |
| 2012 | 324 |
| 2013 | 315 |
| 2014 | 318 |
| 2015 | 308 |
| 2016 | 359 |
| 2017 | 285 |
| 2018 | 278 |
| 2019 | 294 |
| 2020 | 296 |
| 2021 | 288 |
| 2022 | 363 |
| 2023 | 307 |
| 2024 | 291 |
| 2025 | 176 |