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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1918 | 1 |
| 1920 | 1 |
| 1927 | 1 |
| 1929 | 1 |
| 1932 | 1 |
| 1942 | 4 |
| 1943 | 1 |
| 1944 | 2 |
| 1945 | 4 |
| 1946 | 8 |
| 1947 | 8 |
| 1948 | 8 |
| 1949 | 3 |
| 1950 | 3 |
| 1951 | 10 |
| 1952 | 11 |
| 1953 | 17 |
| 1954 | 13 |
| 1955 | 6 |
| 1956 | 4 |
| 1957 | 7 |
| 1958 | 4 |
| 1959 | 5 |
| 1960 | 8 |
| 1961 | 10 |
| 1962 | 13 |
| 1963 | 26 |
| 1964 | 35 |
| 1965 | 32 |
| 1966 | 34 |
| 1967 | 24 |
| 1968 | 24 |
| 1969 | 48 |
| 1970 | 44 |
| 1971 | 36 |
| 1972 | 43 |
| 1973 | 56 |
| 1974 | 76 |
| 1975 | 93 |
| 1976 | 159 |
| 1977 | 189 |
| 1978 | 162 |
| 1979 | 211 |
| 1980 | 199 |
| 1981 | 216 |
| 1982 | 228 |
| 1983 | 216 |
| 1984 | 229 |
| 1985 | 246 |
| 1986 | 221 |
| 1987 | 293 |
| 1988 | 424 |
| 1989 | 402 |
| 1990 | 323 |
| 1991 | 382 |
| 1992 | 493 |
| 1993 | 500 |
| 1994 | 419 |
| 1995 | 388 |
| 1996 | 405 |
| 1997 | 417 |
| 1998 | 436 |
| 1999 | 362 |
| 2000 | 288 |
| 2001 | 248 |
| 2002 | 306 |
| 2003 | 300 |
| 2004 | 322 |
| 2005 | 389 |
| 2006 | 489 |
| 2007 | 506 |
| 2008 | 554 |
| 2009 | 656 |
| 2010 | 716 |
| 2011 | 778 |
| 2012 | 795 |
| 2013 | 918 |
| 2014 | 1066 |
| 2015 | 1164 |
| 2016 | 1286 |
| 2017 | 1356 |
| 2018 | 1380 |
| 2019 | 1549 |
| 2020 | 1885 |
| 2021 | 2262 |
| 2022 | 2092 |
| 2023 | 2084 |
| 2024 | 2185 |
| 2025 | 2569 |
| 2026 | 375 |