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TECHNICAL RESERVES FOR INSURANCE CLAIMS AND PREMIUMS (Details 4) - PEN (S/) S/ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Disclosure of insurance claim reserves and technical reserves [Line Items] |  |
Percentage of variantion of reserve on changes in interest rate by 100 positive base points | (9.29%) | (9.48%)
PEN [Member] |  |
Disclosure of insurance claim reserves and technical reserves [Line Items] |  |
Claim reserve | S/ 3,163,166 | S/ 2,682,536
Amount of reserve after changes in interest rate by 100 positive base points | 2,869,164 | 2,428,338
Amount of reserve after changes in interest rate by 100 negative base points | 3,520,992 | 2,993,483
Amount of reserve after increase in mortality tables by 105 percent | 3,141,047 | 2,660,474
Amount of reserve after decrease in mortality tables by 95 percent | 3,186,369 | 2,705,711
Amount of variation of reserve on changes in interest rate by 100 positive base points | (294,001) | (254,198)
Amount of variation of reserve on changes in interest rate by 100 negative base points | 357,827 | 310,948
Amount of variation of reserve on increase in mortality tables by 105 percent | (22,118) | (22,062)
Amount of variation of reserve on decrease in mortality tables by 95 percent | S/ 23,203 | S/ 23,176
Percentage of variantion of reserve on changes in interest rate by 100 negative base points | 11.31% | 11.59%
Percentage of variation of reserve on increase in mortality tables by 105 percent | (0.70%) | (0.82%)
Percentage of variation of reserve on decrease in mortality tables by 95 percent | 0.73% | 0.86%
US Dollars [Member] |  |
Disclosure of insurance claim reserves and technical reserves [Line Items] |  |
Claim reserve | S/ 518,160 | S/ 519,317
Amount of reserve after changes in interest rate by 100 positive base points | 473,054 | 473,067
Amount of reserve after changes in interest rate by 100 negative base points | 571,943 | 574,664
Amount of reserve after increase in mortality tables by 105 percent | 512,875 | 514,091
Amount of reserve after decrease in mortality tables by 95 percent | 523,707 | 524,801
Amount of variation of reserve on changes in interest rate by 100 positive base points | (45,106) | (46,250)
Amount of variation of reserve on changes in interest rate by 100 negative base points | 53,783 | 55,347
Amount of variation of reserve on increase in mortality tables by 105 percent | (5,285) | (5,226)
Amount of variation of reserve on decrease in mortality tables by 95 percent | S/ 5,547 | S/ 5,484
Percentage of variantion of reserve on changes in interest rate by 100 positive base points | (8.70%) | (8.91%)
Percentage of variantion of reserve on changes in interest rate by 100 negative base points | 10.38% | 10.66%
Percentage of variation of reserve on increase in mortality tables by 105 percent | (1.02%) | (1.01%)
Percentage of variation of reserve on decrease in mortality tables by 95 percent | 1.07% | 1.06%

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