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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 4 |
| 1949 | 1 |
| 1951 | 9 |
| 1952 | 40 |
| 1953 | 115 |
| 1954 | 101 |
| 1955 | 135 |
| 1956 | 70 |
| 1957 | 41 |
| 1958 | 45 |
| 1959 | 60 |
| 1960 | 82 |
| 1961 | 66 |
| 1962 | 34 |
| 1963 | 2 |
| 1964 | 5 |
| 1965 | 72 |
| 1966 | 116 |
| 1967 | 133 |
| 1968 | 145 |
| 1969 | 102 |
| 1970 | 145 |
| 1971 | 138 |
| 1972 | 121 |
| 1973 | 137 |
| 1974 | 160 |
| 1975 | 130 |
| 1976 | 147 |
| 1977 | 111 |
| 1978 | 181 |
| 1979 | 210 |
| 1980 | 183 |
| 1981 | 239 |
| 1982 | 295 |
| 1983 | 312 |
| 1984 | 301 |
| 1985 | 286 |
| 1986 | 394 |
| 1987 | 595 |
| 1988 | 621 |
| 1989 | 673 |
| 1990 | 746 |
| 1991 | 758 |
| 1992 | 834 |
| 1993 | 948 |
| 1994 | 930 |
| 1995 | 1417 |
| 1996 | 2019 |
| 1997 | 2082 |
| 1998 | 2147 |
| 1999 | 2097 |
| 2000 | 2215 |
| 2001 | 2484 |
| 2002 | 2400 |
| 2003 | 2484 |
| 2004 | 2578 |
| 2005 | 2891 |
| 2006 | 2852 |
| 2007 | 2984 |
| 2008 | 2963 |
| 2009 | 2968 |
| 2010 | 3042 |
| 2011 | 3160 |
| 2012 | 3232 |
| 2013 | 3343 |
| 2014 | 3384 |
| 2015 | 3526 |
| 2016 | 3185 |
| 2017 | 3300 |
| 2018 | 3436 |
| 2019 | 3508 |
| 2020 | 3119 |
| 2021 | 2156 |
| 2022 | 883 |
| 2023 | 607 |
| 2024 | 212 |