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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1951 | 5 |
| 1952 | 17 |
| 1953 | 14 |
| 1954 | 20 |
| 1955 | 17 |
| 1956 | 11 |
| 1957 | 12 |
| 1958 | 9 |
| 1959 | 7 |
| 1961 | 1 |
| 1962 | 5 |
| 1963 | 11 |
| 1964 | 3 |
| 1965 | 32 |
| 1966 | 71 |
| 1967 | 120 |
| 1968 | 175 |
| 1969 | 214 |
| 1970 | 206 |
| 1971 | 290 |
| 1972 | 300 |
| 1973 | 355 |
| 1974 | 383 |
| 1975 | 263 |
| 1976 | 230 |
| 1977 | 220 |
| 1978 | 224 |
| 1979 | 218 |
| 1980 | 206 |
| 1981 | 180 |
| 1982 | 232 |
| 1983 | 219 |
| 1984 | 215 |
| 1985 | 210 |
| 1986 | 214 |
| 1987 | 197 |
| 1988 | 219 |
| 1989 | 224 |
| 1990 | 260 |
| 1991 | 228 |
| 1992 | 225 |
| 1993 | 192 |
| 1994 | 214 |
| 1995 | 223 |
| 1996 | 172 |
| 1997 | 231 |
| 1998 | 241 |
| 1999 | 207 |
| 2000 | 223 |
| 2001 | 255 |
| 2002 | 241 |
| 2003 | 295 |
| 2004 | 287 |
| 2005 | 278 |
| 2006 | 263 |
| 2007 | 265 |
| 2008 | 279 |
| 2009 | 324 |
| 2010 | 345 |
| 2011 | 320 |
| 2012 | 348 |
| 2013 | 349 |
| 2014 | 327 |
| 2015 | 323 |
| 2016 | 316 |
| 2017 | 333 |
| 2018 | 311 |
| 2019 | 279 |
| 2020 | 296 |
| 2021 | 237 |
| 2022 | 322 |
| 2023 | 262 |
| 2024 | 86 |