Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Player | -1967 | 03.30 | 03.31 | 04.04 | 10.14 | 1968 | Total |
| --- | --- | --- | --- | --- | --- | --- | --- |
| Shigeo Yaegashi | 41(11) | O | O | O | O | 4(0) | 45(11) |
| Mitsuo Kamata | 37(2) | O | - | O | O | 3(0) | 40(2) |
| Masakatsu Miyamoto | 36(1) | - | O | - | O | 2(0) | 38(1) |
| Masashi Watanabe | 34(11) | - | O | O | - | 2(0) | 36(11) |
| Teruki Miyamoto | 33(15) | O | O | O | O | 4(0) | 37(15) |
| Ryuichi Sugiyama | 31(11) | O | O | O(1) | O | 4(1) | 35(12) |
| Hiroshi Katayama | 26(0) | O | - | O | O | 3(0) | 29(0) |
| Ryozo Suzuki | 22(0) | O | - | O | - | 2(0) | 24(0) |
| Kunishige Kamamoto | 17(21) | O(2) | O | O(2) | O(3) | 4(7) | 21(28) |
| Aritatsu Ogi | 16(5) | O | - | O | O | 3(0) | 19(5) |
| Yoshitada Yamaguchi | 16(0) | O | O | O | - | 3(0) | 19(0) |
| Kenzo Yokoyama | 16(0) | O | - | O | O | 3(0) | 19(0) |
| Hisao Kami | 13(0) | O | O | - | - | 2(0) | 15(0) |
| Takaji Mori | 9(1) | O | O | O | O | 4(0) | 13(1) |
| Ikuo Matsumoto | 7(1) | O | - | - | O | 2(0) | 9(1) |
| Yasuyuki Kuwahara | 5(3) | - | O(1) | - | O | 2(1) | 7(4) |
| Takeo Kimura | 3(1) | O | O | - | - | 2(0) | 5(1) |
| Kiyoshi Tomizawa | 3(0) | - | O | - | - | 1(0) | 4(0) |
| Koji Funamoto | 1(0) | - | O | - | - | 1(0) | 2(0) |
| Junji Kawano | 0(0) | - | O | - | - | 1(0) | 1(0) |
Question:
how many players made an appearance that year?
Answer:
20