{"entity":{"iso2":"PR","iso3":"PRI","name":"Puerto Rico","slug":"puerto-rico-us"},"indicator":{"licence":"Derived by Statizoid from the sources named on the page","slug":"enrolment-in-pre-primary-education-both-sexes-number-per-square-kilometre-2","source":"Statizoid (derived)","source_url":null,"title":"Enrolment in pre-primary education, both sexes (number), per square kilometre","unit":"units per square kilometre"},"observations":[{"date":"1971-01-01","value":1.98377},{"date":"1972-01-01","value":2.04577},{"date":"1973-01-01","value":2.09076},{"date":"1974-01-01","value":2.13033},{"date":"1975-01-01","value":2.18963},{"date":"1976-01-01","value":2.22728},{"date":"2010-01-01","value":10.6962},{"date":"2011-01-01","value":11.4399},{"date":"2012-01-01","value":10.3746},{"date":"2013-01-01","value":8.40237},{"date":"2015-01-01","value":4.24859},{"date":"2016-01-01","value":3.8867},{"date":"2018-01-01","value":3.50913},{"date":"2023-01-01","value":2.48005}],"summary":{"latest_period":"2023-01-01","latest_value":2.48005,"max":11.4399,"mean":4.83608,"min":1.98377,"of":200,"rank":93,"trend":"volatile"}}