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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 2 |
| 1953 | 3 |
| 1954 | 3 |
| 1956 | 2 |
| 1959 | 1 |
| 1961 | 16 |
| 1962 | 18 |
| 1963 | 19 |
| 1964 | 22 |
| 1965 | 23 |
| 1966 | 13 |
| 1967 | 32 |
| 1968 | 27 |
| 1969 | 32 |
| 1970 | 39 |
| 1971 | 40 |
| 1972 | 36 |
| 1973 | 29 |
| 1974 | 48 |
| 1975 | 30 |
| 1976 | 32 |
| 1977 | 53 |
| 1978 | 50 |
| 1979 | 51 |
| 1980 | 57 |
| 1981 | 66 |
| 1982 | 65 |
| 1983 | 74 |
| 1984 | 86 |
| 1985 | 116 |
| 1986 | 123 |
| 1987 | 120 |
| 1988 | 150 |
| 1989 | 155 |
| 1990 | 148 |
| 1991 | 138 |
| 1992 | 152 |
| 1993 | 162 |
| 1994 | 177 |
| 1995 | 176 |
| 1996 | 167 |
| 1997 | 204 |
| 1998 | 227 |
| 1999 | 186 |
| 2000 | 243 |
| 2001 | 247 |
| 2002 | 208 |
| 2003 | 253 |
| 2004 | 233 |
| 2005 | 246 |
| 2006 | 231 |
| 2007 | 271 |
| 2008 | 266 |
| 2009 | 249 |
| 2010 | 319 |
| 2011 | 318 |
| 2012 | 305 |
| 2013 | 306 |
| 2014 | 318 |
| 2015 | 296 |
| 2016 | 307 |
| 2017 | 319 |
| 2018 | 329 |
| 2019 | 302 |
| 2020 | 376 |
| 2021 | 475 |
| 2022 | 484 |
| 2023 | 368 |
| 2024 | 402 |
| 2025 | 5 |