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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 5 |
| 1954 | 2 |
| 1955 | 2 |
| 1956 | 2 |
| 1957 | 4 |
| 1958 | 4 |
| 1959 | 8 |
| 1960 | 3 |
| 1961 | 6 |
| 1962 | 11 |
| 1964 | 6 |
| 1965 | 84 |
| 1966 | 161 |
| 1967 | 220 |
| 1968 | 253 |
| 1969 | 276 |
| 1970 | 295 |
| 1971 | 328 |
| 1972 | 368 |
| 1973 | 367 |
| 1974 | 439 |
| 1975 | 359 |
| 1976 | 305 |
| 1977 | 341 |
| 1978 | 266 |
| 1979 | 333 |
| 1980 | 287 |
| 1981 | 295 |
| 1982 | 275 |
| 1983 | 243 |
| 1984 | 284 |
| 1985 | 284 |
| 1986 | 307 |
| 1987 | 250 |
| 1988 | 225 |
| 1989 | 225 |
| 1990 | 228 |
| 1991 | 261 |
| 1992 | 257 |
| 1993 | 243 |
| 1994 | 242 |
| 1995 | 217 |
| 1996 | 219 |
| 1997 | 258 |
| 1998 | 231 |
| 1999 | 238 |
| 2000 | 231 |
| 2001 | 210 |
| 2002 | 220 |
| 2003 | 214 |
| 2004 | 223 |
| 2005 | 236 |
| 2006 | 293 |
| 2007 | 301 |
| 2008 | 283 |
| 2009 | 324 |
| 2010 | 317 |
| 2011 | 375 |
| 2012 | 374 |
| 2013 | 370 |
| 2014 | 349 |
| 2015 | 345 |
| 2016 | 348 |
| 2017 | 283 |
| 2018 | 286 |
| 2019 | 278 |
| 2020 | 246 |
| 2021 | 198 |
| 2022 | 245 |
| 2023 | 157 |
| 2024 | 54 |