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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 | 19 |
| 1957 | 45 |
| 1958 | 48 |
| 1959 | 24 |
| 1960 | 13 |
| 1961 | 43 |
| 1962 | 41 |
| 1964 | 20 |
| 1965 | 70 |
| 1966 | 197 |
| 1967 | 234 |
| 1968 | 284 |
| 1969 | 299 |
| 1970 | 386 |
| 1971 | 440 |
| 1972 | 413 |
| 1973 | 463 |
| 1974 | 486 |
| 1975 | 487 |
| 1976 | 418 |
| 1977 | 370 |
| 1978 | 325 |
| 1979 | 302 |
| 1980 | 289 |
| 1981 | 275 |
| 1982 | 235 |
| 1983 | 271 |
| 1984 | 259 |
| 1985 | 226 |
| 1986 | 253 |
| 1987 | 302 |
| 1988 | 282 |
| 1989 | 282 |
| 1990 | 389 |
| 1991 | 394 |
| 1992 | 417 |
| 1993 | 447 |
| 1994 | 432 |
| 1995 | 454 |
| 1996 | 445 |
| 1997 | 451 |
| 1998 | 492 |
| 1999 | 495 |
| 2000 | 588 |
| 2001 | 619 |
| 2002 | 656 |
| 2003 | 765 |
| 2004 | 842 |
| 2005 | 858 |
| 2006 | 914 |
| 2007 | 1030 |
| 2008 | 1078 |
| 2009 | 1126 |
| 2010 | 1098 |
| 2011 | 1188 |
| 2012 | 1193 |
| 2013 | 1294 |
| 2014 | 1227 |
| 2015 | 1189 |
| 2016 | 1133 |
| 2017 | 1115 |
| 2018 | 1094 |
| 2019 | 1147 |
| 2020 | 1004 |
| 2021 | 790 |
| 2022 | 555 |
| 2023 | 528 |
| 2024 | 242 |