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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 1 |
| 1948 | 1 |
| 1949 | 2 |
| 1952 | 10 |
| 1953 | 14 |
| 1954 | 8 |
| 1955 | 15 |
| 1956 | 24 |
| 1957 | 25 |
| 1958 | 22 |
| 1959 | 22 |
| 1960 | 9 |
| 1961 | 32 |
| 1962 | 26 |
| 1963 | 1 |
| 1964 | 30 |
| 1965 | 110 |
| 1966 | 254 |
| 1967 | 362 |
| 1968 | 389 |
| 1969 | 406 |
| 1970 | 425 |
| 1971 | 606 |
| 1972 | 576 |
| 1973 | 525 |
| 1974 | 506 |
| 1975 | 383 |
| 1976 | 367 |
| 1977 | 317 |
| 1978 | 294 |
| 1979 | 260 |
| 1980 | 287 |
| 1981 | 239 |
| 1982 | 264 |
| 1983 | 265 |
| 1984 | 268 |
| 1985 | 272 |
| 1986 | 277 |
| 1987 | 287 |
| 1988 | 311 |
| 1989 | 280 |
| 1990 | 310 |
| 1991 | 312 |
| 1992 | 326 |
| 1993 | 352 |
| 1994 | 322 |
| 1995 | 330 |
| 1996 | 303 |
| 1997 | 283 |
| 1998 | 317 |
| 1999 | 312 |
| 2000 | 363 |
| 2001 | 315 |
| 2002 | 332 |
| 2003 | 316 |
| 2004 | 319 |
| 2005 | 312 |
| 2006 | 313 |
| 2007 | 279 |
| 2008 | 262 |
| 2009 | 278 |
| 2010 | 315 |
| 2011 | 344 |
| 2012 | 282 |
| 2013 | 282 |
| 2014 | 288 |
| 2015 | 286 |
| 2016 | 249 |
| 2017 | 261 |
| 2018 | 258 |
| 2019 | 231 |
| 2020 | 217 |
| 2021 | 157 |
| 2022 | 146 |
| 2023 | 81 |
| 2024 | 86 |