The Arlington National Cemetary has their own website. I have attached their link below.
The officials at the Arlington Nation Cemetery can give you an exact figure. Considering about 6400 are buried there in a year it would be a lot. I put the link down below for you to contact Arlinton National Cemetery historians.
The national cemetery is in Arlington, Virginia.
Arlington National Cemetery
Riverside National Cemetery was created in 1976.
National Cemetery of the Alleghenies was created in 2005.
Lebanon National Cemetery was created in 1863.
Sarasota National Cemetery was created in 2009.
Togus National Cemetery was created in 1865.
Calverton National Cemetery was created in 1978.
Keokuk National Cemetery was created in 1862.
Sitka National Cemetery was created in 1868.
Bakersfield National Cemetery was created in 2009.