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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1923 | 1 |
| 1951 | 3 |
| 1952 | 2 |
| 1953 | 7 |
| 1954 | 2 |
| 1955 | 9 |
| 1956 | 2 |
| 1957 | 6 |
| 1958 | 4 |
| 1959 | 12 |
| 1960 | 3 |
| 1961 | 21 |
| 1962 | 35 |
| 1963 | 50 |
| 1964 | 43 |
| 1965 | 50 |
| 1966 | 56 |
| 1967 | 49 |
| 1968 | 73 |
| 1969 | 96 |
| 1970 | 72 |
| 1971 | 83 |
| 1972 | 76 |
| 1973 | 56 |
| 1974 | 73 |
| 1975 | 99 |
| 1976 | 94 |
| 1977 | 97 |
| 1978 | 114 |
| 1979 | 136 |
| 1980 | 162 |
| 1981 | 174 |
| 1982 | 175 |
| 1983 | 240 |
| 1984 | 276 |
| 1985 | 281 |
| 1986 | 274 |
| 1987 | 319 |
| 1988 | 352 |
| 1989 | 373 |
| 1990 | 337 |
| 1991 | 346 |
| 1992 | 330 |
| 1993 | 332 |
| 1994 | 405 |
| 1995 | 449 |
| 1996 | 476 |
| 1997 | 446 |
| 1998 | 510 |
| 1999 | 533 |
| 2000 | 597 |
| 2001 | 627 |
| 2002 | 605 |
| 2003 | 587 |
| 2004 | 630 |
| 2005 | 704 |
| 2006 | 716 |
| 2007 | 660 |
| 2008 | 706 |
| 2009 | 764 |
| 2010 | 795 |
| 2011 | 906 |
| 2012 | 972 |
| 2013 | 1034 |
| 2014 | 962 |
| 2015 | 1046 |
| 2016 | 1115 |
| 2017 | 1090 |
| 2018 | 1120 |
| 2019 | 1260 |
| 2020 | 1416 |
| 2021 | 1573 |
| 2022 | 1528 |
| 2023 | 1402 |
| 2024 | 1546 |
| 2025 | 1557 |
| 2026 | 37 |