<[{" Quarter":"1Q19"," Critical defect rate":1.82},{" Quarter":"2Q19"," Critical defect rate":1.72},{" Quarter":"3Q19"," Critical defect rate":1.56},{" Quarter":"4Q19"," Critical defect rate":1.73},{" Quarter":"1Q20"," Critical defect rate":1.56},{" Quarter":"2Q20"," Critical defect rate":1.88},{" Quarter":"3Q20"," Critical defect rate":2.34},{" Quarter":"4Q20"," Critical defect rate":2.09},{" Quarter":"1Q21"," Critical defect rate":2.01},{" Quarter":"2Q21"," Critical defect rate":2.27},{" Quarter":"3Q21"," Critical defect rate":1.86},{" Quarter":"4Q21"," Critical defect rate":1.95},{" Quarter":"1Q22"," Critical defect rate":1.93},{" Quarter":"2Q22"," Critical defect rate":2.05},{" Quarter":"3Q22"," Critical defect rate":2.47},{" Quarter":"4Q22"," Critical defect rate":1.84},{" Quarter":"1Q23"," Critical defect rate":1.78}]>