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:
| Date | Result | Opponent | Event | Location | Method | Round | Time |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2013-12-14 | Loss | Mohamed Diaby | Victory, Semi Finals | Paris, France | Decision | 3 | 3:00 |
| 2013-03-09 |  | Juanma Chacon | Enfusion Live: Barcelona | Barcelona, Spain |  |  |  |
| 2012-05-27 | Loss | Murthel Groenhart | K-1 World MAX 2012 World Championship Tournament Final 16 | Madrid, Spain | KO (punches) | 3 | 3:00 |
| 2012-02-11 | Win | Francesco Tadiello | Sporthal De Zandbergen | Sint-Job-in-'t-Goor, Belgium | KO | 1 |  |
| 2012-01-28 | Win | Chris Ngimbi | It's Showtime 2012 in Leeuwarden | Leeuwarden, Netherlands | TKO (cut) | 2 | 1:22 |
| 2011-09-24 | Loss | Andy Souwer | BFN Group & Music Hall presents: It's Showtime "Fast & Furious 70MAX", Quarter Finals | Brussels, Belgium | Extra round decision (split) | 4 | 3:00 |
| 2011-04-09 | Win | Lahcen Ait Oussakour | Le Grande KO XI | Liege, Belgium | KO | 1 |  |
| 2011-03-19 | Loss | Gino Bourne | Fight Night Turnhout | Turnhout, Belgium | DQ |  |  |
| 2011-02-12 | Win | Henri van Opstal | War of the Ring | Amsterdam, Netherlands | Decision (unanimous) | 3 | 3:00 |
| 2010-12-04 | Win | Alessandro Campagna | Janus Fight Night 2010 | Padua, Italy | Decision | 3 | 3:00 |
| 2010-09-10 | Win | Edson Fortes | Ring Sensation Gala | Utrecht, Netherlands | Decision | 3 | 3:00 |
| 2010-03-21 | Loss | Mohamed Khamal | K-1 World MAX 2010 West Europe Tournament, Final | Utrecht, Netherlands | KO (punch) | 2 |  |
| 2010-03-21 | Win | Anthony Kane | K-1 World MAX 2010 West Europe Tournament, Semi Finals | Utrecht, Netherlands | Decision | 3 | 3:00 |
| 2010-03-21 | Win | Bruno Carvalho | K-1 World MAX 2010 West Europe Tournament, Quarter Finals | Utrecht, Netherlands | Decision | 3 | 3:00 |
| 2009-11-21 | Win | Seo Doo Won | It's Showtime 2009 Barneveld | Barneveld, Netherlands | TKO (referee stoppage) | 1 |  |
| 2009-09-24 | Win | Chris Ngimbi | It's Showtime 2009 Lommel | Lommel, Belgium | Extra round decision | 4 | 4:00 |
| 2009-04-11 | Win | Farid Riffi | Almelo Fight for Delight | Almelo, Netherlands | TKO |  |  |
| 2009-03-14 | Win | Viktor Sarezki | War of the Ring | Belgium | KO (punch to the body) | 1 |  |
| 2009-02-21 | Win | Pedro Sedarous | Turnhout Gala | Turnhout, Belgium | Decision | 5 | 3:00 |
| 2009-01-31 | Win | Dahou Naim | Tielrode Gala | Tielrode, Belgium | 2nd extra round decision | 5 | 3:00 |
| 2008-09-20 | Win | Abdallah Mabel | S-Cup Europe 2008, Reserve Bout | Gorinchem, Netherlands | Decision | 3 | 3:00 |
| 2008-09-14 | Win | Jordy Sloof | The Outland Rumble | Rotterdam, Netherlands | KO (Right cross) | 1 |  |
| 2008-03-08 | Win | Naraim Ruben | Lommel Gala | Lommel, Belgium | TKO (retirement) | 3 |  |
| 2008-02-23 | Win | Pierre Petit | St. Job Gala | St. Job, Belgium | KO (Right punch) | 2 |  |
| 2008-01-26 | Win | Yildiz Bullut | Tielrode Gala | Tielrode, Belgium | TKO | 2 |  |
| 2007-11-28 | Win | Ibrahim Benazza | Lint Gala | Lint, Belgium | Decision | 5 | 2:00 |
| 2007-10-27 | Win | Anthony Kane | One Night in Bangkok | Antwerp, Belgium | Decision | 5 |  |
Question:
how many events did grigorian attend in 2010?
Answer:
5