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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 3 |
| 1953 | 9 |
| 1954 | 10 |
| 1955 | 11 |
| 1956 | 11 |
| 1957 | 5 |
| 1958 | 13 |
| 1959 | 4 |
| 1963 | 1 |
| 1965 | 15 |
| 1966 | 30 |
| 1967 | 38 |
| 1968 | 35 |
| 1969 | 33 |
| 1970 | 42 |
| 1971 | 44 |
| 1972 | 37 |
| 1973 | 57 |
| 1974 | 53 |
| 1975 | 39 |
| 1976 | 40 |
| 1977 | 45 |
| 1978 | 41 |
| 1979 | 48 |
| 1980 | 87 |
| 1981 | 101 |
| 1982 | 120 |
| 1983 | 69 |
| 1984 | 138 |
| 1985 | 156 |
| 1986 | 135 |
| 1987 | 118 |
| 1988 | 120 |
| 1989 | 144 |
| 1990 | 142 |
| 1991 | 150 |
| 1992 | 154 |
| 1993 | 174 |
| 1994 | 192 |
| 1995 | 171 |
| 1996 | 201 |
| 1997 | 194 |
| 1998 | 223 |
| 1999 | 199 |
| 2000 | 225 |
| 2001 | 209 |
| 2002 | 227 |
| 2003 | 286 |
| 2004 | 277 |
| 2005 | 296 |
| 2006 | 269 |
| 2007 | 273 |
| 2008 | 340 |
| 2009 | 325 |
| 2010 | 332 |
| 2011 | 306 |
| 2012 | 311 |
| 2013 | 299 |
| 2014 | 304 |
| 2015 | 283 |
| 2016 | 294 |
| 2017 | 265 |
| 2018 | 266 |
| 2019 | 307 |
| 2020 | 269 |
| 2021 | 222 |
| 2022 | 291 |
| 2023 | 256 |
| 2024 | 180 |
| 2025 | 216 |
| 2026 | 100 |