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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1952 | 3 |
| 1954 | 5 |
| 1955 | 12 |
| 1956 | 13 |
| 1957 | 45 |
| 1958 | 47 |
| 1959 | 196 |
| 1960 | 445 |
| 1961 | 440 |
| 1962 | 284 |
| 1964 | 3 |
| 1965 | 2 |
| 1966 | 30 |
| 1967 | 208 |
| 1968 | 380 |
| 1969 | 466 |
| 1970 | 524 |
| 1971 | 575 |
| 1972 | 658 |
| 1973 | 614 |
| 1974 | 528 |
| 1975 | 382 |
| 1976 | 346 |
| 1977 | 353 |
| 1978 | 351 |
| 1979 | 373 |
| 1980 | 414 |
| 1981 | 406 |
| 1982 | 463 |
| 1983 | 541 |
| 1984 | 592 |
| 1985 | 650 |
| 1986 | 627 |
| 1987 | 608 |
| 1988 | 626 |
| 1989 | 716 |
| 1990 | 934 |
| 1991 | 1371 |
| 1992 | 1483 |
| 1993 | 1892 |
| 1994 | 2170 |
| 1995 | 2758 |
| 1996 | 2956 |
| 1997 | 2911 |
| 1998 | 3080 |
| 1999 | 3275 |
| 2000 | 3390 |
| 2001 | 3709 |
| 2002 | 3646 |
| 2003 | 3928 |
| 2004 | 4022 |
| 2005 | 4419 |
| 2006 | 4438 |
| 2007 | 4387 |
| 2008 | 4518 |
| 2009 | 4432 |
| 2010 | 4614 |
| 2011 | 4902 |
| 2012 | 4969 |
| 2013 | 4927 |
| 2014 | 4727 |
| 2015 | 4681 |
| 2016 | 4218 |
| 2017 | 4128 |
| 2018 | 4147 |
| 2019 | 4058 |
| 2020 | 3597 |
| 2021 | 2665 |
| 2022 | 1190 |
| 2023 | 896 |
| 2024 | 299 |