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:
| Record | Athlete | Nation | Venue | Date | # |
| --- | --- | --- | --- | --- | --- |
| 4.05 m (13 ft 31⁄4 in) | Sun Caiyun | China | Nanjing, China | 21 May 1992 | 1 |
| 4.08 m (13 ft 41⁄2 in) | Sun Caiyun | China | Taiyuan, China | 18 May 1995 | 2 |
| 4.08 m (13 ft 41⁄2 in) | Zhong Guiqing | China | Taiyuan, China | 18 May 1995 | 1 |
| 4.10 m (13 ft 51⁄4 in) | Daniela Bártová | Czech Republic | Ljubljana, Slovenia | 21 May 1995 | 1 |
| 4.12 m (13 ft 6 in) | Daniela Bártová | Czech Republic | Duisburg, Germany | 18 June 1995 | 2 |
| 4.13 m (13 ft 61⁄2 in) | Daniela Bártová | Czech Republic | Wesel, Germany | 24 June 1995 | 3 |
| 4.14 m (13 ft 63⁄4 in) | Daniela Bártová | Czech Republic | Gateshead, England | 2 July 1995 | 4 |
| 4.15 m (13 ft 71⁄4 in) | Daniela Bártová | Czech Republic | Ostrava, Czech Republic | 6 July 1995 | 5 |
| 4.16 m (13 ft 73⁄4 in) | Daniela Bártová | Czech Republic | Feldkirch, Austria | 14 July 1995 | 6 |
| 4.17 m (13 ft 8 in) | Daniela Bártová | Czech Republic | Feldkirch, Austria | 15 July 1995 | 7 |
| 4.18 m (13 ft 81⁄2 in) | Andrea Müller | Germany | Zittau, Germany | 5 August 1995 | 1 |
| 4.20 m (13 ft 91⁄4 in) | Daniela Bártová | Czech Republic | Köln, Germany | 18 August 1995 | 8 |
| 4.21 m (13 ft 91⁄2 in) | Daniela Bártová | Czech Republic | Linz, Austria | 22 August 1995 | 9 |
| 4.22 m (13 ft 10 in) | Daniela Bártová | Czech Republic | Salgotarjan, Hungary | 11 September 1995 | 10 |
| 4.25 m (13 ft 111⁄4 in) | Emma George | Australia | Melbourne, Australia | 30 November 1995 | 1 |
| 4.28 m (14 ft 01⁄2 in) | Emma George | Australia | Perth, Australia | 17 December 1995 | 2 |
| 4.41 m (14 ft 51⁄2 in) | Emma George | Australia | Perth, Australia | 28 January 1996 | 3 |
| 4.42 m (14 ft 6 in) | Emma George | Australia | Reims, France | 29 June 1996 | 4 |
| 4.45 m (14 ft 7 in) | Emma George | Australia | Sapporo, Japan | 14 July 1996 | 5 |
| 4.50 m (14 ft 9 in) | Emma George | Australia | Melbourne, Australia | 8 February 1997 | 6 |
| 4.55 m (14 ft 11 in) | Emma George | Australia | Melbourne, Australia | 20 February 1997 | 7 |
| 4.57 m (14 ft 113⁄4 in) | Emma George | Australia | Auckland, New Zealand | 21 February 1998 | 8 |
| 4.58 m (15 ft 01⁄4 in) | Emma George | Australia | Melbourne, Australia | 14 March 1998 | 9 |
| 4.59 m (15 ft 01⁄2 in) | Emma George | Australia | Brisbane, Australia | 21 March 1998 | 10 |
| 4.60 m (15 ft 1 in) | Emma George | Australia | Sydney, Australia | 20 February 1999 | 11 |
| 4.60 m (15 ft 1 in) | Stacy Dragila | United States | Sevilla, Spain | 21 August 1999 | 1 |
| i 4.60 m (15 ft 1 in) | Stacy Dragila | United States | Pocatello, U.S. | 19 Feb 2000 | 2 |
| i 4.62 m (15 ft 13⁄4 in) | Stacy Dragila | United States | Atlanta, U.S. | 3 Mar 2000 | 3 |
| 4.63 m (15 ft 21⁄4 in) | Stacy Dragila | United States | Sacramento, U.S. | 23 July 2000 | 4 |
| i 4.63 m (15 ft 21⁄4 in) | Stacy Dragila | United States | New York City, U.S. | 2 Feb 2001 | 5 |
| i 4.64 m (15 ft 21⁄2 in) | Svetlana Feofanova | Russia | Dortmund, Germany | 11 February 2001 | 1 |
| i 4.66 m (15 ft 31⁄4 in) | Stacy Dragila | United States | Pocatello, U.S. | 17 Feb 2001 | 6 |
| i 4.70 m (15 ft 5 in) | Stacy Dragila | United States | Pocatello, U.S. | 17 Feb 2001 | 7 |
| 4.70 m (15 ft 5 in) | Stacy Dragila | United States | Pocatello, U.S. | 27 April 2001 | 8 |
| 4.71 m (15 ft 51⁄4 in) | Stacy Dragila | United States | Palo Alto, U.S. | 9 June 2001 | 9 |
| 4.81 m (15 ft 91⁄4 in) | Stacy Dragila | United States | Palo Alto, U.S. | 9 June 2001 | 10 |
| 4.82 m (15 ft 93⁄4 in) | Yelena Isinbayeva | Russia | Gateshead, England | 13 July 2003 | 1 |
| i 4.83 m (15 ft 10 in) | Yelena Isinbayeva | Russia | Donets'k, Ukraine | 15 February 2004 | 2 |
| i 4.85 m (15 ft 103⁄4 in) | Svetlana Feofanova | Russia | Athens, Greece | 22 February 2004 | 2 |
| i 4.86 m (15 ft 111⁄4 in) | Yelena Isinbayeva | Russia | Budapest, Hungary | 6 March 2004 | 3 |
| 4.87 m (15 ft 111⁄2 in) | Yelena Isinbayeva | Russia | Gateshead, England | 27 June 2004 | 4 |
| 4.88 m (16 ft 0 in) | Svetlana Feofanova | Russia | Heraklion, Greece | 4 July 2004 | 3 |
| 4.89 m (16 ft 01⁄2 in) | Yelena Isinbayeva | Russia | Birmingham, England | 25 July 2004 | 5 |
| 4.90 m (16 ft 03⁄4 in) | Yelena Isinbayeva | Russia | London, England | 30 July 2004 | 6 |
| 4.91 m (16 ft 11⁄4 in) | Yelena Isinbayeva | Russia | Athens, Greece | 24 August 2004 | 7 |
| 4.92 m (16 ft 11⁄2 in) | Yelena Isinbayeva | Russia | Brussels, Belgium | 3 September 2004 | 8 |
| 4.93 m (16 ft 2 in) | Yelena Isinbayeva | Russia | Lausanne, Switzerland | 5 July 2005 | 9 |
| 4.95 m (16 ft 23⁄4 in) | Yelena Isinbayeva | Russia | Madrid, Spain | 16 July 2005 | 10 |
| 4.96 m (16 ft 31⁄4 in) | Yelena Isinbayeva | Russia | London, England | 22 July 2005 | 11 |
| 5.00 m (16 ft 43⁄4 in) | Yelena Isinbayeva | Russia | London, England | 22 July 2005 | 12 |
| 5.01 m (16 ft 5 in) | Yelena Isinbayeva | Russia | Helsinki, Finland | 9 August 2005 | 13 |
| 5.03 m (16 ft 6 in) | Yelena Isinbayeva | Russia | Rome, Italy | 11 July 2008 | 14 |
| 5.04 m (16 ft 61⁄4 in) | Yelena Isinbayeva | Russia | Fontvieille, Monaco | 29 July 2008 | 15 |
| 5.05 m (16 ft 63⁄4 in) | Yelena Isinbayeva | Russia | Beijing, China | 18 August 2008 | 16 |
| 5.06 m (16 ft 7 in) | Yelena Isinbayeva | Russia | Zürich, Switzerland | 28 August 2009 | 17 |
Question:
what is the difference between the number of times the record has been set by the czech republic and the number of times the record has been set by china?
Answer:
7