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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 2 |
| 1951 | 11 |
| 1952 | 68 |
| 1953 | 132 |
| 1954 | 131 |
| 1955 | 138 |
| 1956 | 108 |
| 1957 | 82 |
| 1958 | 71 |
| 1959 | 45 |
| 1960 | 20 |
| 1961 | 14 |
| 1962 | 11 |
| 1965 | 1 |
| 1966 | 5 |
| 1967 | 9 |
| 1968 | 17 |
| 1969 | 15 |
| 1970 | 26 |
| 1971 | 15 |
| 1972 | 25 |
| 1973 | 13 |
| 1974 | 13 |
| 1975 | 25 |
| 1976 | 20 |
| 1977 | 27 |
| 1978 | 26 |
| 1979 | 29 |
| 1980 | 51 |
| 1981 | 56 |
| 1982 | 57 |
| 1983 | 45 |
| 1984 | 64 |
| 1985 | 54 |
| 1986 | 44 |
| 1987 | 47 |
| 1988 | 46 |
| 1989 | 43 |
| 1990 | 42 |
| 1991 | 101 |
| 1992 | 100 |
| 1993 | 108 |
| 1994 | 117 |
| 1995 | 111 |
| 1996 | 123 |
| 1997 | 110 |
| 1998 | 88 |
| 1999 | 111 |
| 2000 | 149 |
| 2001 | 179 |
| 2002 | 188 |
| 2003 | 220 |
| 2004 | 272 |
| 2005 | 290 |
| 2006 | 304 |
| 2007 | 320 |
| 2008 | 364 |
| 2009 | 423 |
| 2010 | 448 |
| 2011 | 528 |
| 2012 | 564 |
| 2013 | 559 |
| 2014 | 570 |
| 2015 | 583 |
| 2016 | 526 |
| 2017 | 524 |
| 2018 | 525 |
| 2019 | 559 |
| 2020 | 445 |
| 2021 | 348 |
| 2022 | 189 |
| 2023 | 100 |
| 2024 | 250 |
| 2025 | 1 |