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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1948 | 2 |
| 1949 | 3 |
| 1950 | 9 |
| 1951 | 12 |
| 1952 | 18 |
| 1953 | 29 |
| 1954 | 27 |
| 1955 | 53 |
| 1956 | 56 |
| 1957 | 81 |
| 1958 | 92 |
| 1959 | 115 |
| 1960 | 171 |
| 1961 | 146 |
| 1962 | 148 |
| 1963 | 132 |
| 1964 | 128 |
| 1965 | 87 |
| 1966 | 209 |
| 1967 | 394 |
| 1968 | 525 |
| 1969 | 570 |
| 1970 | 498 |
| 1971 | 497 |
| 1972 | 531 |
| 1973 | 507 |
| 1974 | 514 |
| 1975 | 379 |
| 1976 | 318 |
| 1977 | 303 |
| 1978 | 331 |
| 1979 | 348 |
| 1980 | 357 |
| 1981 | 294 |
| 1982 | 389 |
| 1983 | 352 |
| 1984 | 406 |
| 1985 | 380 |
| 1986 | 406 |
| 1987 | 408 |
| 1988 | 406 |
| 1989 | 445 |
| 1990 | 410 |
| 1991 | 447 |
| 1992 | 487 |
| 1993 | 511 |
| 1994 | 601 |
| 1995 | 805 |
| 1996 | 1266 |
| 1997 | 1578 |
| 1998 | 1613 |
| 1999 | 1713 |
| 2000 | 1774 |
| 2001 | 1711 |
| 2002 | 1711 |
| 2003 | 1894 |
| 2004 | 1964 |
| 2005 | 2237 |
| 2006 | 2442 |
| 2007 | 2514 |
| 2008 | 2443 |
| 2009 | 2542 |
| 2010 | 2531 |
| 2011 | 2607 |
| 2012 | 2817 |
| 2013 | 2790 |
| 2014 | 2828 |
| 2015 | 2905 |
| 2016 | 2815 |
| 2017 | 2801 |
| 2018 | 3012 |
| 2019 | 2890 |
| 2020 | 2903 |
| 2021 | 2398 |
| 2022 | 1844 |
| 2023 | 1886 |
| 2024 | 1940 |
| 2025 | 1472 |