Table:
text: Women's pole vault world record progression
IAAF Record Progression
IAAF Record Progression
Record Athlete Nation Venue Date_ _
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

text: Women's pole vault world record progression
IAAF Record Progression
IAAF Record Progression
Record Athlete Nation Venue Date_ _
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

text: Women's pole vault world record progression
IAAF Record Progression
IAAF Record Progression
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

Question: In women's pole vault world record development, what is the difference between the number of records set by the Czech Republic and the number of records set by China?