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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1903 | 1 |
| 1913 | 1 |
| 1938 | 1 |
| 1941 | 1 |
| 1942 | 2 |
| 1943 | 1 |
| 1944 | 4 |
| 1945 | 6 |
| 1946 | 19 |
| 1947 | 41 |
| 1948 | 20 |
| 1949 | 22 |
| 1950 | 30 |
| 1951 | 46 |
| 1952 | 75 |
| 1953 | 252 |
| 1954 | 188 |
| 1955 | 211 |
| 1956 | 125 |
| 1957 | 71 |
| 1958 | 70 |
| 1959 | 70 |
| 1960 | 82 |
| 1961 | 106 |
| 1962 | 138 |
| 1963 | 114 |
| 1964 | 136 |
| 1965 | 183 |
| 1966 | 332 |
| 1967 | 447 |
| 1968 | 125 |
| 1969 | 461 |
| 1970 | 1026 |
| 1971 | 3083 |
| 1972 | 4682 |
| 1973 | 6321 |
| 1974 | 8217 |
| 1975 | 7261 |
| 1976 | 7279 |
| 1977 | 7276 |
| 1978 | 7505 |
| 1979 | 7130 |
| 1980 | 5558 |
| 1981 | 4763 |
| 1982 | 5392 |
| 1983 | 5843 |
| 1984 | 7009 |
| 1985 | 7254 |
| 1986 | 7507 |
| 1987 | 7946 |
| 1988 | 8903 |
| 1989 | 11130 |
| 1990 | 12503 |
| 1991 | 13441 |
| 1992 | 14410 |
| 1993 | 14552 |
| 1994 | 15115 |
| 1995 | 16407 |
| 1996 | 17991 |
| 1997 | 18978 |
| 1998 | 19844 |
| 1999 | 20283 |
| 2000 | 20551 |
| 2001 | 20170 |
| 2002 | 22480 |
| 2003 | 25954 |
| 2004 | 28139 |
| 2005 | 31837 |
| 2006 | 35894 |
| 2007 | 40828 |
| 2008 | 43704 |
| 2009 | 45442 |
| 2010 | 46997 |
| 2011 | 50602 |
| 2012 | 54835 |
| 2013 | 57167 |
| 2014 | 58438 |
| 2015 | 59578 |
| 2016 | 58673 |
| 2017 | 57736 |
| 2018 | 58153 |
| 2019 | 60472 |
| 2020 | 60067 |
| 2021 | 55583 |
| 2022 | 41700 |
| 2023 | 35460 |
| 2024 | 34882 |
| 2025 | 82 |