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:
| Track | Recorded | Catalogue | Release Date | Song Title | Time |
| --- | --- | --- | --- | --- | --- |
| 1.0 | 3/29/72 | 74-0815b | 10/31/72 | Always on My Mind | 3:37 |
| 2.0 | 3/28/72 | 74-0910b | 3/4/73 | Fool | 3:30 |
| 3.0 | 1/4/73 | 74-0910 | 3/4/73 | Steamroller Blues | 3:04 |
| 4.0 | 7/23/73 | APBO 0088 | 9/22/73 | Raised On Rock | 2:38 |
| 5.0 | 7/23/73 | APBO 0088b | 9/22/73 | For Ol' Times Sake | 3:36 |
| 6.0 | 7/22/73 | APBO 0196 | 1/11/74 | I've Got a Thing About You Baby | 2:20 |
| 7.0 | 7/21/73 | APBO 0196b | 1/11/74 | Take Good Care of Her | 2:51 |
| 8.0 | 12/11/73 | APBO 0280 | 5/10/74 | If You Talk in Your Sleep | 2:34 |
| 9.0 | 12/15/73 | PB 10074 | 9/27/74 | Promised Land | 2:55 |
| 10.0 | 12/10/73 | PB 10074b | 9/27/74 | It's Midnight | 3:21 |
| 11.0 | 12/13/73 | PB 10191 | 1/4/75 | My Boy | 3:19 |
| 12.0 | 12/13/73 | 2548b | 10/74 | Loving Arms | 2:50 |
| 13.0 | 3/11/75 | PB 10278 | 4/22/75 | T-R-O-U-B-L-E | 3:02 |
| 14.0 | 12/12/73 | PB 10278b | 4/23/75 | Mr. Songman | 2:07 |
| 15.0 | 3/12/75 | PB 10401 | 9/30/75 | Bringing It Back | 3:00 |
| 16.0 | 3/12/75 | PB 10401b | 9/30/75 | Pieces of My Life | 4:03 |
| 17.0 | 3/10/75 | 2635 | 11/75 | Green Green Grass of Home | 3:35 |
| 18.0 | 12/12/73 | PB 10191b | 1/4/75 | Thinking About You | 3:00 |
| 19.0 | 2/5/76 | PB 10601 | 3/12/76 | Hurt | 2:06 |
| 20.0 | 2/5/76 | PB 10601b | 3/12/76 | For the Heart | 3:22 |
| 21.0 | 2/4/76 | PB 10857 | 11/29/76 | Moody Blue | 3:22 |
| 22.0 | 2/2/76 | PB 10857b | 11/29/76 | She Thinks I Still Care | 3:51 |
| 23.0 | 10/29/76 | PB 10998 | 6/6/77 | Way Down | 2:38 |
| 24.0 | 10/29/76 | PB 10998b | 6/6/77 | Pledging My Love | 2:50 |
Question:
I want the sum of tracks for raised on rock
Answer:
4.0