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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1951 | 15 |
| 1952 | 42 |
| 1953 | 42 |
| 1954 | 39 |
| 1955 | 35 |
| 1956 | 66 |
| 1957 | 34 |
| 1958 | 55 |
| 1959 | 46 |
| 1960 | 62 |
| 1961 | 79 |
| 1962 | 33 |
| 1963 | 1 |
| 1964 | 8 |
| 1965 | 70 |
| 1966 | 79 |
| 1967 | 103 |
| 1968 | 97 |
| 1969 | 157 |
| 1970 | 365 |
| 1971 | 418 |
| 1972 | 363 |
| 1973 | 264 |
| 1974 | 221 |
| 1975 | 208 |
| 1976 | 209 |
| 1977 | 160 |
| 1978 | 138 |
| 1979 | 122 |
| 1980 | 122 |
| 1981 | 130 |
| 1982 | 125 |
| 1983 | 154 |
| 1984 | 196 |
| 1985 | 183 |
| 1986 | 211 |
| 1987 | 298 |
| 1988 | 244 |
| 1989 | 282 |
| 1990 | 341 |
| 1991 | 328 |
| 1992 | 333 |
| 1993 | 387 |
| 1994 | 337 |
| 1995 | 383 |
| 1996 | 373 |
| 1997 | 502 |
| 1998 | 477 |
| 1999 | 588 |
| 2000 | 637 |
| 2001 | 580 |
| 2002 | 704 |
| 2003 | 781 |
| 2004 | 734 |
| 2005 | 743 |
| 2006 | 915 |
| 2007 | 922 |
| 2008 | 1007 |
| 2009 | 1103 |
| 2010 | 1199 |
| 2011 | 1206 |
| 2012 | 1271 |
| 2013 | 1297 |
| 2014 | 1331 |
| 2015 | 1412 |
| 2016 | 1447 |
| 2017 | 1514 |
| 2018 | 1392 |
| 2019 | 1456 |
| 2020 | 1778 |
| 2021 | 1720 |
| 2022 | 1670 |
| 2023 | 1624 |
| 2024 | 2005 |
| 2025 | 1120 |
| 2026 | 2 |