PISA: Mean performance on the reading scale for Iceland

Indicator Definition:
Average score of 15-year-old students on the PISA reading scale. The metric for the overall reading scale is based on a mean for participating OECD countries set at 500, with a standard deviation of 100. Data reflects country performance in the stated year according to PISA reports, but may not be comparable across years or countries. Consult the PISA website for more detailed information: http://www.oecd.org/pisa/The Serie's long term average value is 488.78. It's latest available value, on 12/31/2018, is 3.03 percent lower, compared to it's long term average value.
The Serie's change in percent from it's minimum value, on 12/31/2018, to it's latest available value, on 12/31/2018, is +0.0%.
The Serie's change in percent from it's maximum value, on 12/31/2000, to it's latest available value, on 12/31/2018, is -6.50%.