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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1955 | 1 |
| 1956 | 1 |
| 1957 | 2 |
| 1958 | 1 |
| 1959 | 1 |
| 1960 | 3 |
| 1961 | 5 |
| 1962 | 5 |
| 1964 | 4 |
| 1965 | 50 |
| 1966 | 118 |
| 1967 | 135 |
| 1968 | 131 |
| 1969 | 166 |
| 1970 | 349 |
| 1971 | 430 |
| 1972 | 481 |
| 1973 | 486 |
| 1974 | 521 |
| 1975 | 460 |
| 1976 | 411 |
| 1977 | 374 |
| 1978 | 303 |
| 1979 | 327 |
| 1980 | 253 |
| 1981 | 243 |
| 1982 | 244 |
| 1983 | 202 |
| 1984 | 247 |
| 1985 | 209 |
| 1986 | 219 |
| 1987 | 223 |
| 1988 | 211 |
| 1989 | 213 |
| 1990 | 260 |
| 1991 | 240 |
| 1992 | 234 |
| 1993 | 273 |
| 1994 | 230 |
| 1995 | 208 |
| 1996 | 238 |
| 1997 | 223 |
| 1998 | 252 |
| 1999 | 235 |
| 2000 | 310 |
| 2001 | 225 |
| 2002 | 239 |
| 2003 | 273 |
| 2004 | 280 |
| 2005 | 293 |
| 2006 | 287 |
| 2007 | 258 |
| 2008 | 286 |
| 2009 | 317 |
| 2010 | 324 |
| 2011 | 334 |
| 2012 | 314 |
| 2013 | 321 |
| 2014 | 356 |
| 2015 | 334 |
| 2016 | 300 |
| 2017 | 283 |
| 2018 | 306 |
| 2019 | 283 |
| 2020 | 256 |
| 2021 | 222 |
| 2022 | 175 |
| 2023 | 181 |
| 2024 | 61 |