How many graves did Matt Dillon dig in the series of gunsmoke?

In the television series "Gunsmoke," the character Matt Dillon, portrayed by James Arness, is depicted as a U.S. Marshal in Dodge City, Kansas. Throughout the series, Matt Dillon is involved in numerous gunfights and confrontations, but he is not shown digging graves on a regular basis. The exact number of graves he may have dug is not explicitly stated in the series.