What is the age of Klay Thompson? What period of time has the NBA athlete been alive? What is the length of time has passed since he was born? What is the count of occurrences for Klay Thompson celebrated the day he first entered the world? What is Klay Thompson's age? What is the year of birth for Klay Thompson? How much time has Klay Thompson spent existing? What is the precise numerical value of Klay Thompson's current number? How old is Klay Thompson?