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:
| Team #1 | Agg. | Team #2 | 1st leg | 2nd leg |
| --- | --- | --- | --- | --- |
| Florina | 0-3 | Panachaiki | 0-1 | 0-2 |
| Kilkisiakos | 1-2 | Panarkadikos | 1-0 | 0-2 |
| Kallithea | 2-7 | Makedonikos | 2-2 | 0-5 |
| Panathinaikos | 9-1 | Panelefsiniakos | 5-0 | 4-1 |
| Anagennisi Arta | 1-6 | Olympiacos | 1-1 | 0-5 |
| PAOK (a.g.) | 3-3 | Aris | 2-0 | 1-3 |
| Kavala (a.g.) | 2-2 | Aiolikos | 1-0 | 1-2 |
| Kozani | 2-1 | Fostiras | 1-0 | 1-1 |
| Diagoras | 3-4 | Korinthos | 2-2 | 1-2 |
| Larissa | 8-1 | Neapoli Piraeus | 7-0 | 1-1 |
| Thiva | 2-3 | Proodeftiki | 1-1 | 1-2 |
| Edessaikos | 1-2 | Levadiakos | 1-0 | 0-2 |
| Pierikos | 2-1 | Ethnikos Asteras | 2-0 | 0-1 |
| Ethnikos Olympiakos Volos | 2-1 | Thriamvos | 2-1 | 0-0 |
| Lamia | 4-3 | Kastoria | 4-2 | 0-1 |
| Panionios | 3-1 | PAS Giannina | 3-1 | 0-0 |
Question:
how many matches ended in an aggregate tie record?
Answer:
2