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:
| Rank | Group | Name | Nationality | 2.05 | 2.15 | 2.19 | 2.23 | 2.26 | Result | Notes |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | A | Nicola Ciotti | Italy | - | o | o | o | o | 2.26 | q |
| 1 | A | Linus Thörnblad | Sweden | - | o | o | o | o | 2.26 | q |
| 1 | A | Tomáš Janků | Czech Republic | - | o | o | o | o | 2.26 | q |
| 1 | B | Oskari Frösén | Finland | - | o | o | o | o | 2.26 | q |
| 1 | B | Stefan Holm | Sweden | - | o | o | o | o | 2.26 | q |
| 1 | B | Svatoslav Ton | Czech Republic | - | o | o | o | o | 2.26 | q |
| 7 | A | Niki Palli | Israel | o | o | o | o | xo | 2.26 | q |
| 7 | B | Yaroslav Rybakov | Russia | - | o | o | o | xo | 2.26 | q |
| 9 | B | Giulio Ciotti | Italy | - | o | xo | o | xo | 2.26 | q |
| 10 | A | Andrey Silnov | Russia | - | o | o | o | xxo | 2.26 | q |
| 11 | A | Ivan Ukhov | Russia | - | - | - | o | - | 2.23 | q |
| 11 | A | Andrea Bettinelli | Italy | - | o | o | o | xxx | 2.23 | q |
| 11 | B | Wilbert Pennings | Netherlands | - | o | o | o | xxx | 2.23 | q |
| 14 | A | Martyn Bernard | United Kingdom | - | o | xxo | xo | xxx | 2.23 |  |
| 15 | B | Peter Horák | Slovakia | - | o | o | xxo | xxx | 2.23 |  |
| 15 | B | Normunds Pūpols | Latvia | - | o | o | xxo | xxx | 2.23 |  |
| 17 | A | Germaine Mason | United Kingdom | - | o | o | xxx |  | 2.19 |  |
| 17 | B | Rožle Prezelj | Slovenia | o | o | o | xxx |  | 2.19 |  |
| 19 | A | Heikki Taneli | Finland | - | xo | o | xxx |  | 2.19 |  |
| 19 | B | Andriy Sokolovskyy | Ukraine | - | xo | o | xxx |  | 2.19 |  |
| 21 | B | Mickaël Hanany | France | - | xo | xo | xxx |  | 2.19 |  |
| 22 | B | Javier Bermejo | Spain | o | o | xxx |  |  | 2.15 |  |
| 23 | A | Osku Torro | Finland | - | xo | x- | x |  | 2.15 |  |
| 24 | A | Jan-Peter Larsen | Netherlands | o | xxx |  |  |  | 2.05 |  |
|  | B | Adam Scarr | United Kingdom | - | xxx |  |  |  | NM |  |
Question:
what is the number of nationalities listed in the table?
Answer:
14