Reference Data in China (People's Republic of) 12 indicators covering reference data for China (People's Republic of). IndicatorLatest Year10-yr change Rank Precipitation - Regions — Extreme precipitation days 8 Days per year 2024 up 25.0% 2nd Precipitation - Regions — Change in extreme precipitation days 0.5 Days per year 2024 up 145.5% 3rd Cooling and heating degree days - Regions — Cooling degree days 255.73 Degree days 2023 up 13.4% 1st Cooling and heating degree days - Regions — Cooling degree days days 63.27 Degree days 2023 up 91.5% 2nd Cooling and heating degree days - Regions 3,576 Degree days 2023 down 5.0% 1st Cooling and heating degree days - Regions — Heating degree degree -281.51 Degree days 2023 down 203.7% 1st Gross domestic expenditure on R&D by sector of performance and source 859,300 US dollars, PPP converted 2024 up 137.6% 1st Gross domestic expenditure on R&D by sector of performance and type 859,300 US dollars, PPP converted 2024 up 137.6% 1st Gross domestic expenditure on R&D by sector of performance and type 859,300 US dollars, PPP converted 2024 up 137.6% 1st R&D personnel by sector of performance and function — R&D Personnel 10.80 million Persons 2024 up 101.8% 1st R&D personnel by sector of performance and formal qualification — R&D 10.23 million Persons 2023 up 103.8% 1st Outbound tourism — Departures 83.18 million Persons 2012 — 1st