There is a 12hr gap between blocks 4990 and 4991 https://explorador.petro.gob.ve/block/5704fcc043a037ca0a3101f43f6647facc8c1693e12cfa6d0d5edc3ebf883570

Last 7 day period summary:

First block on the 9th, #4023: https://explorador.petro.gob.ve/block/44ccb4cb83e085c61ebf31093961f05f4b1248cf69db36f41b2388726f24f2b7
Last block on the 15th, #4982: https://explorador.petro.gob.ve/block/2fe727509913d6c8ddbf560a5830dfef3ac56821bf6044874b5665443cf9e96a

960 blocks per week or 5 blocks per hour.  The block time is varying between 1 minute and 12 hours, with an average of 20 minutes.