---

1981
_Itoh0230-23

---

1982
_Itoh0230-25_Itoh0230-26_Itoh0230-27

---

1983
_Itoh0230-28

---

1984
_Itoh0230-29

---

1985
_Itoh0230-29

---

1986
_Itoh0230-29

---

1987
_Itoh0230-30

---

1988
_Itoh0230-31

---

1989
_Itoh0230-32

---

1990
_Itoh0230-32

---

1991
_Itoh0230-33

---

1992
_Itoh0230-33

---

1993
_Itoh0230-33

---

1994
_Itoh0230-34

---

1995
_Itoh0230-36_Itoh0231-02

---

1996
_Itoh0231-03

---

1997
_Itoh0231-03

---

1998
_Itoh0231-04

---

1999
_Itoh0231-05

---

2000
_Itoh0231-06