| FOF Code | Description |
| + FU403063613.Q | Government-sponsored enterprises; mortgage-backed securities and other asset-backed bonds held by Fannie Mae (includes all GSE corporate and foreign bonds before 2000:Q4); asset |
| + FU403063623.Q | Government-sponsored enterprises; mortgage-backed securities and other asset-backed bonds held by Freddie Mac; asset |
| + FU403063633.Q | Government-sponsored enterprises; mortgage-backed securities and other asset-backed bonds held by FHLB; asset |
| + FU403063643.Q | Government-sponsored enterprises; mortgage-backed securities and other asset-backed bonds held by Farm Credit System; asset |
| + FU403063653.Q | Government-sponsored enterprises; mortgage-backed securities and other asset-backed bonds held by Farmer Mac; asset |