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:
| Competition | Stage | Opponent | Result | Scorers |
| --- | --- | --- | --- | --- |
| 1975 AFC Championship | First stage | Thailand\n Singapore | 2–3\n3–0 |  |
| 1975 AFC Championship | Semifinals | New Zealand | 2–3 |  |
| 1975 AFC Championship | Third place | Malaysia | 5–0 |  |
| 1983 OFC Championship | First stage | New Zealand\n New Caledonia\n Fiji | 0–0\n5–0\n13–0 | 0\nDolan 2, Heydon, Porter, Wardell\nIserief 3, Monteath 3, Heydon 3, Wardell 3, Millman |
| 1983 OFC Championship | Final | New Zealand | 2–3 (AET) | Brentnall, Dolan |
| 1986 OFC Championship | First stage | New Zealand\n Chinese Taipei\n New Zealand B | 1–0\n0–1\n2–1 | Iserief\n0\nMateljan, Monteath |
| 1986 OFC Championship | Final | Chinese Taipei | 1–4 | Martin |
| 1988 FIFA Tournament | First stage | Brazil\n Thailand\n Norway | 1–0\n3–0\n0–3 |  |
| 1988 FIFA Tournament | Quarterfinals | China PR | 0–7 |  |
| 1989 OFC Championship | First stage | New Zealand\n Australia B\n Papua New Guinea\n Taiwan | 0–2\n0–0\n6–0\n1–4 | 0\n0\nRiddington 3, Vinson 2, ?\nRiddington |
| 1989 OFC Championship | Third place | Australia B | not played |  |
| 1991 OFC Championship | Round robin | New Zealand\n Papua New Guinea | 0–1 1–0\n12–0 8–0 |  |
| 1995 OFC Championship | Round robin | New Zealand\n Papua New Guinea | 1–2 1–0\n7–0 4–0 |  |
| 1995 FIFA World Cup | First stage | Denmark\n China PR\n United States | 0–5\n2–4\n1–4 | 0\nHughes, Iannotta\nCasagrande |
| 1998 OFC Championship | First stage | American Samoa\n Papua New Guinea | 21–0\n8–0 |  |
| 1998 OFC Championship | Semifinals | Fiji | 17–0 |  |
| 1998 OFC Championship | Final | New Zealand | 3–1 |  |
| 1999 FIFA World Cup | First stage | Ghana\n Sweden\n China PR | 1–1\n1–3\n1–3 | Murray\nMurray\nSalisbury |
| 2000 Summer Olympics | First stage | Germany\n Sweden\n Brazil | 0–3\n1–1\n1–2 | 0\nSalisbury\nHughes |
| 2003 OFC Championship | Round robin | Samoa\n Cook Islands\n Papua New Guinea\n New Zealand | 19–0\n11–0\n13–0\n2–0 | Golebiowski 4, Mann 4, Peters 4, Slatyer 2, Small, Davies, Garriock, Wainwright\nAlagich 2, Crawford 2, Wilson 2, Davies, Hohnke, Karp, Small\nMann 4, Garriock 3, Golebiowski 2, Salisbury 2, Alagich, Peters\nPeters, Small |
| 2003 FIFA World Cup | First stage | Russia\n China PR\n Ghana | 1–2\n1–1\n1–2 | Golebiowski\nGarriock\nGarriock |
| 2004 Summer Olympics | First stage | Brazil\n Greece\n United States | 0–1\n1–0\n1–1 | 0\nGarriock\nPeters |
| 2004 Summer Olympics | Quarterfinals | Sweden | 1–2 | de Vanna |
| 2006 AFC Asian Cup | First stage | South Korea\n Myanmar\n North Korea\n Thailand | 4–0\n2–0\n0–0\n5–0 | Munoz, de Vanna, Walsh + 1 o.g.\nShipard, de Vanna\n0\nBurgess, Ferguson, Gill, de Vanna, Walsh |
| 2006 AFC Asian Cup | Semifinals | Japan | 2–0 | Munoz, Peters |
| 2006 AFC Asian Cup | Final | China PR | 2–2 (PSO: 2–4) | Munoz, Peters — Shipard, Ferguson McCallum, Peters |
| 2007 FIFA World Cup | First stage | Ghana\n Norway\n Canada | 4–1\n1–1\n2–2 | de Vanna 2, Garriock, Walsh\nde Vanna\nMcCallum, Salisbury |
| 2007 FIFA World Cup | Quarterfinals | Brazil | 2–3 | Colthorpe, de Vanna |
| 2008 AFC Asian Cup | First stage | Chinese Taipei\n South Korea\n Japan | 4–0\n2–0 | Garriock 2, Tristram, de Vanna\nPerry, de Vanna\nPolkinghorne |
| 2008 AFC Asian Cup | Semifinals | North Korea | 0–3 |  |
| 2008 AFC Asian Cup | Third place | Japan | 0–3 |  |
| 2010 AFC Asian Cup | First stage | Vietnam\n South Korea\n China PR | 2–0\n3–1\n0–1 | Khamis, Ledbrook\nCarroll, Kerr, de Vanna\n0 |
| 2010 AFC Asian Cup | Semifinals | Japan | 1–0 | Gill |
| 2010 AFC Asian Cup | Final | North Korea | 1–1 (PSO: 5–4) | Kerr — PSO: Shipard, Ledbrook, Gill, Garriock, Simon |
| 2011 FIFA World Cup | First stage | Brazil\n Equatorial Guinea\n Norway | 0–1\n3–2\n2–1 | 0\nvan Egmond, Khamis, de Vanna\nSimon 2 |
| 2011 FIFA World Cup | Quarterfinals | Sweden | 1–3 | Perry |
| 2012 Summer Olympics\nAFC qualification | Final round | North Korea\n Thailand\n Japan\n China PR\n South Korea | 0–1\n5–1\n0–1\n1–0\n2–1 | 0\nHeyman 2, Butt, van Egmond, Simon\n0\nvan Egmond\nButt, de Vanna |
| 2014 AFC Asian Cup | First stage | Japan\n Jordan\n Vietnam | TBD\nTBD\nTBD |  |
Question:
what is the total number of competitions?
Answer:
21