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:
| Title | Release | Consoles | Handheld | PC | Arcade |
| --- | --- | --- | --- | --- | --- |
| NFL Blitz | 1997, 1998 | N64, PS | GBC | Windows | Arcade |
| NFL Blitz '99 | 1998 | N/A | N/A | N/A | Arcade |
| NFL Blitz 2000 | 1999 | N64, PS, Dreamcast | GBC | Windows | N/A |
| NFL Blitz 2000 Gold Edition | 1999 | N/A | N/A | N/A | Arcade |
| NFL Blitz 2001 | 2000 | N64, PS, Dreamcast | GBC | Windows | N/A |
| NFL Blitz Special Edition | 2001 | N64 | N/A | N/A | N/A |
| NFL Blitz 20-02 | 2001 | PS2, Xbox, NGC | GBA | N/A | N/A |
| NFL Blitz 20-03 | 2002 | PS2, Xbox, NGC | GBA | N/A | N/A |
| NFL Blitz Pro | 2003 | PS2, Xbox, NGC | N/A | N/A | N/A |
| Blitz: The League | 2005 | PS2, Xbox, PS3, Xbox 360 | N/A | N/A | N/A |
| Blitz: The League II | 2008 | PS3, Xbox 360 | N/A | N/A | N/A |
| NFL Blitz | 2012 | PS3, Xbox 360 | N/A | N/A | N/A |
Question:
how many titles are there total in the nfl blitz series?
Answer:
12